Rocky Linux 8 : kernel (RLSA-2021:4647) - Nessus
Critical Plugin ID: 157805This page contains detailed information about the Rocky Linux 8 : kernel (RLSA-2021:4647) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.
Plugin Overview
ID: 157805
Name: Rocky Linux 8 : kernel (RLSA-2021:4647)
Filename: rocky_linux_RLSA-2021-4647.nasl
Vulnerability Published: 2021-09-27
This Plugin Published: 2022-02-09
Last Modification Time: 2022-02-14
Plugin Version: 1.4
Plugin Type: local
Plugin Family: Rocky Linux Local Security Checks
Dependencies:
linux_alt_patch_detect.nasl, ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list
Vulnerability Information
Severity: Critical
Vulnerability Published: 2021-09-27
Patch Published: 2021-11-16
CVE [?]: CVE-2021-20317, CVE-2021-43267
CPE [?]: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:bpftool, p-cpe:/a:rocky:linux:bpftool-debuginfo, p-cpe:/a:rocky:linux:kernel, p-cpe:/a:rocky:linux:kernel-abi-stablelists, p-cpe:/a:rocky:linux:kernel-core, p-cpe:/a:rocky:linux:kernel-cross-headers, p-cpe:/a:rocky:linux:kernel-debug, p-cpe:/a:rocky:linux:kernel-debuginfo, p-cpe:/a:rocky:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:rocky:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:rocky:linux:kernel-debug-core, p-cpe:/a:rocky:linux:kernel-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-debug-devel, p-cpe:/a:rocky:linux:kernel-debug-modules, p-cpe:/a:rocky:linux:kernel-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-devel, p-cpe:/a:rocky:linux:kernel-headers, p-cpe:/a:rocky:linux:kernel-modules, p-cpe:/a:rocky:linux:kernel-modules-extra, p-cpe:/a:rocky:linux:kernel-rt, p-cpe:/a:rocky:linux:kernel-rt-core, p-cpe:/a:rocky:linux:kernel-rt-debug, p-cpe:/a:rocky:linux:kernel-rt-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-debuginfo-common-x86_64, p-cpe:/a:rocky:linux:kernel-rt-debug-core, p-cpe:/a:rocky:linux:kernel-rt-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-devel, p-cpe:/a:rocky:linux:kernel-rt-kvm, p-cpe:/a:rocky:linux:kernel-rt-modules, p-cpe:/a:rocky:linux:kernel-rt-modules-extra, p-cpe:/a:rocky:linux:kernel-tools, p-cpe:/a:rocky:linux:kernel-tools-debuginfo, p-cpe:/a:rocky:linux:kernel-tools-libs, p-cpe:/a:rocky:linux:kernel-tools-libs-devel, p-cpe:/a:rocky:linux:perf, p-cpe:/a:rocky:linux:perf-debuginfo, p-cpe:/a:rocky:linux:python3-perf, p-cpe:/a:rocky:linux:python3-perf-debuginfo
Exploited by Malware: True
Synopsis
The remote Rocky Linux host is missing one or more security updates.
Description
The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:4647 advisory.
- A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP. (CVE-2021-20317)
- An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter- Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type. (CVE-2021-43267)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.
Public Exploits
Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (GitHub)
Exploit Ease: Exploits are available
Here's the list of publicly known exploits and PoCs for verifying the Rocky Linux 8 : kernel (RLSA-2021:4647) vulnerability:
- GitHub: https://github.com/0x0021h/expbox
[CVE-2021-43267] - GitHub: https://github.com/Al1ex/LinuxEelvation
[CVE-2021-43267] - GitHub: https://github.com/bcoles/kasld
[CVE-2021-43267] - GitHub: https://github.com/bsauce/kernel-exploit-factory
[CVE-2021-43267] - GitHub: https://github.com/bsauce/kernel-security-learning
[CVE-2021-43267] - GitHub: https://github.com/xairy/linux-kernel-exploitation
[CVE-2021-43267] - GitHub: https://github.com/ohnonoyesyes/CVE-2021-43267
[CVE-2021-43267: Local PoC exploit for CVE-2021-43267 (Linux TIPC)] - GitHub: https://github.com/DarkSprings/CVE-2021-43267-POC
[CVE-2021-43267: Trusty poc Provide it to legitimate people]
Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.
WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.
Risk Information
CVSS Score Source [?]: CVE-2021-43267
CVSS V2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C
CVSS Base Score: | 7.5 (High) |
Impact Subscore: | 6.4 |
Exploitability Subscore: | 10.0 |
CVSS Temporal Score: | 6.5 (Medium) |
CVSS Environmental Score: | NA (None) |
Modified Impact Subscore: | NA |
Overall CVSS Score: | 6.5 (Medium) |
CVSS Base Score: | 9.8 (Critical) |
Impact Subscore: | 5.9 |
Exploitability Subscore: | 3.9 |
CVSS Temporal Score: | 9.4 (Critical) |
CVSS Environmental Score: | NA (None) |
Modified Impact Subscore: | NA |
Overall CVSS Score: | 9.4 (Critical) |
Go back to menu.
Plugin Source
This is the rocky_linux_RLSA-2021-4647.nasl nessus plugin source code. This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2021:4647.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(157805);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/02/14");
script_cve_id("CVE-2021-20317", "CVE-2021-43267");
script_xref(name:"RLSA", value:"2021:4647");
script_name(english:"Rocky Linux 8 : kernel (RLSA-2021:4647)");
script_set_attribute(attribute:"synopsis", value:
"The remote Rocky Linux host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
RLSA-2021:4647 advisory.
- A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the
timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user
privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.
(CVE-2021-20317)
- An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-
Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of
user-supplied sizes for the MSG_CRYPTO message type. (CVE-2021-43267)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://errata.rockylinux.org/RLSA-2021:4647");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2005258");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2020362");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-43267");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/09/27");
script_set_attribute(attribute:"patch_publication_date", value:"2021/11/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:bpftool");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:bpftool-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-abi-stablelists");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-cross-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debug-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debug-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debug-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debug-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debug-modules-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debuginfo-common-aarch64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-debuginfo-common-x86_64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-modules-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debug-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debug-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debug-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debug-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debug-modules-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-debuginfo-common-x86_64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-kvm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-rt-modules-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-tools-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:kernel-tools-libs-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:perf-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:python3-perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:python3-perf-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:rocky:linux:8");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Rocky Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RockyLinux/release", "Host/RockyLinux/rpm-list", "Host/cpu");
exit(0);
}
include('audit.inc');
include('global_settings.inc');
include('misc_func.inc');
include('rpm.inc');
include('ksplice.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var release = get_kb_item('Host/RockyLinux/release');
if (isnull(release) || 'Rocky Linux' >!< release) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_ver = pregmatch(pattern: "Rocky(?: Linux)? release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
var os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Rocky Linux 8.x', 'Rocky Linux ' + os_ver);
if (!get_kb_item('Host/RockyLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Rocky Linux', cpu);
if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
rm_kb_item(name:'Host/uptrack-uname-r');
var cve_list = make_list('CVE-2021-20317', 'CVE-2021-43267');
if (ksplice_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RLSA-2021:4647');
}
else
{
__rpm_report = ksplice_reporting_text();
}
}
var pkgs = [
{'reference':'bpftool-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'bpftool-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'bpftool-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'bpftool-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-abi-stablelists-4.18.0-348.2.1.el8_5', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-core-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-core-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-cross-headers-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-cross-headers-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-core-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-core-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-extra-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-extra-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debuginfo-common-aarch64-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debuginfo-common-x86_64-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-extra-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-extra-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-core-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debug-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debug-core-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debug-debuginfo-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debug-devel-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debug-modules-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debug-modules-extra-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debuginfo-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-debuginfo-common-x86_64-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-devel-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-kvm-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-modules-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-rt-modules-extra-4.18.0-348.2.1.rt7.132.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-devel-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-devel-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-perf-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-perf-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-perf-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-perf-debuginfo-4.18.0-348.2.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var release = NULL;
var sp = NULL;
var cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) release = 'Rocky-' + package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && release && (!exists_check || rpm_exists(release:release, rpm:exists_check))) {
if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc');
}
The latest version of this script can be found in these locations depending on your platform:
- Linux / Unix:
/opt/nessus/lib/nessus/plugins/rocky_linux_RLSA-2021-4647.nasl
- Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\rocky_linux_RLSA-2021-4647.nasl
- Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/rocky_linux_RLSA-2021-4647.nasl
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How to Run
Here is how to run the Rocky Linux 8 : kernel (RLSA-2021:4647) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):
- Click to start a New Scan.
- Select Advanced Scan.
- Navigate to the Plugins tab.
- On the top right corner click to Disable All plugins.
- On the left side table select Rocky Linux Local Security Checks plugin family.
- On the right side table select Rocky Linux 8 : kernel (RLSA-2021:4647) plugin ID 157805.
- Specify the target on the Settings tab and click to Save the scan.
- Run the scan.
Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.
Basic usage:
/opt/nessus/bin/nasl rocky_linux_RLSA-2021-4647.nasl -t <IP/HOST>
Run the plugin with audit trail message on the console:
/opt/nessus/bin/nasl -a rocky_linux_RLSA-2021-4647.nasl -t <IP/HOST>
Run the plugin with trace script execution written to the console (useful for debugging):
/opt/nessus/bin/nasl -T - rocky_linux_RLSA-2021-4647.nasl -t <IP/HOST>
Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):
/opt/nessus/bin/nasl -K /tmp/state rocky_linux_RLSA-2021-4647.nasl -t <IP/HOST>
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References
See also:
- https://www.tenable.com/plugins/nessus/157805
- https://bugzilla.redhat.com/show_bug.cgi?id=2005258
- https://bugzilla.redhat.com/show_bug.cgi?id=2020362
- https://errata.rockylinux.org/RLSA-2021:4647
- https://vulners.com/nessus/ROCKY_LINUX_RLSA-2021-4647.NASL
- 160447 - Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-007)
- 157670 - AlmaLinux 8 : kernel (ALSA-2021:4647)
- 155588 - CentOS 8 : kernel-rt (CESA-2021:4646)
- 155562 - CentOS 8 : kernel (CESA-2021:4647)
- 156163 - Debian DLA-2843-1 : linux - LTS security update
- 158761 - Debian DSA-5096-1 : linux - security update
- 155566 - Oracle Linux 8 : kernel (ELSA-2021-4647)
- 160190 - Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2022-9313)
- 160189 - Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2022-9314)
- 155322 - Photon OS 4.0: Linux PHSA-2021-4.0-0127
- 155361 - RHEL 8 : kpatch-patch (RHSA-2021:4644)
- 155364 - RHEL 8 : kpatch-patch (RHSA-2021:4645)
- 155368 - RHEL 8 : kernel-rt (RHSA-2021:4646)
- 155360 - RHEL 8 : kernel (RHSA-2021:4647)
- 155366 - RHEL 8 : kernel-rt (RHSA-2021:4648)
- 155367 - RHEL 8 : kernel (RHSA-2021:4650)
- 155654 - RHEL 8 : Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] 0-day (Important) (RHSA-2021:4750)
- 155746 - RHEL 8 : kernel (RHSA-2021:4871)
- 155745 - RHEL 8 : kernel-rt (RHSA-2021:4875)
- 157770 - Rocky Linux 8 : kernel-rt (RLSA-2021:4646)
- 155750 - Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5165-1)
- 156482 - Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5207-1)
- 156486 - Ubuntu 20.04 LTS / 21.04 / 21.10 : Linux kernel vulnerabilities (USN-5208-1)
- 156613 - Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5218-1)
- 159160 - Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-5343-1)
Version
This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file rocky_linux_RLSA-2021-4647.nasl version 1.4. For more plugins, visit the Nessus Plugin Library.
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