Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1) - Nessus
High Plugin ID: 147982This page contains detailed information about the Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.
Plugin Overview
ID: 147982
Name: Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1)
Filename: ubuntu_USN-4752-1.nasl
Vulnerability Published: 2020-05-19
This Plugin Published: 2021-03-23
Last Modification Time: 2021-03-24
Plugin Version: 1.3
Plugin Type: local
Plugin Family: Ubuntu Local Security Checks
Dependencies:
linux_alt_patch_detect.nasl, ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Vulnerability Information
Severity: High
Vulnerability Published: 2020-05-19
Patch Published: 2021-02-25
CVE [?]: CVE-2020-10135, CVE-2020-14314, CVE-2020-15436, CVE-2020-15437, CVE-2020-24490, CVE-2020-25212, CVE-2020-25284, CVE-2020-25641, CVE-2020-25643, CVE-2020-25704, CVE-2020-27152, CVE-2020-27815, CVE-2020-28588, CVE-2020-28915, CVE-2020-29368, CVE-2020-29369, CVE-2020-29371, CVE-2020-29660, CVE-2020-29661, CVE-2020-35508
CPE [?]: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.6.0-1048-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04
Synopsis
The remote Ubuntu host is missing one or more security updates.
Description
The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4752-1 advisory.
- Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key. (CVE-2020-10135)
- A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability. (CVE-2020-14314)
- Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field. (CVE-2020-15436)
- The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized. (CVE-2020-15437)
- Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ. (CVE-2020-24490)
- A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452. (CVE-2020-25212)
- The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe. (CVE-2020-25284)
- A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block device, resulting in a denial of service. The highest threat from this vulnerability is to system availability. (CVE-2020-25641)
- A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-25643)
- A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service. (CVE-2020-25704)
- An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9. (CVE-2020-27152)
- A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def. (CVE-2020-28915)
- An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1. (CVE-2020-29368)
- An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe. (CVE-2020-29369)
- An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4. Uninitialized memory leaks to userspace, aka CID-bcf85fcedfdd. (CVE-2020-29371)
- A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24. (CVE-2020-29660)
- A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b. (CVE-2020-29661)
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 linux-image-5.6.0-1048-oem and / or linux-image-oem-20.04 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 Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1) vulnerability:
- GitHub: https://github.com/Charmve/BLE-Security-Attack-Defence
[CVE-2020-10135] - GitHub: https://github.com/WinMin/Protocol-Vul
[CVE-2020-10135] - GitHub: https://github.com/engn33r/awesome-bluetooth-security
[CVE-2020-10135] - GitHub: https://github.com/francozappa/bias
[CVE-2020-10135: Bluetooth Impersonation AttackS (BIAS) [CVE 2020-10135]] - GitHub: https://github.com/winterheart/broadcom-bt-firmware
[CVE-2020-10135] - GitHub: https://github.com/artsking/linux-3.0.35_CVE-2020-15436_withPatch
[CVE-2020-15436] - GitHub: https://github.com/artsking/linux-4.1.15_CVE-2020-15436_withPatch
[CVE-2020-15436] - GitHub: https://github.com/Charmve/BLE-Security-Attack-Defence
[CVE-2020-24490] - GitHub: https://github.com/WinMin/Protocol-Vul
[CVE-2020-24490] - GitHub: https://github.com/engn33r/awesome-bluetooth-security
[CVE-2020-24490] - GitHub: https://github.com/joydo/CVE-Writeups
[CVE-2020-24490] - GitHub: https://github.com/xairy/linux-kernel-exploitation
[CVE-2020-24490] - GitHub: https://github.com/DNTYO/F5_Vulnerability
[CVE-2020-25643] - GitHub: https://github.com/JaskaranNarula/Host_Errata_Info
[CVE-2020-25704] - GitHub: https://github.com/evdenis/cvehound
[CVE-2020-27152] - GitHub: https://github.com/xairy/linux-kernel-exploitation
[CVE-2020-28588] - GitHub: https://github.com/Satheesh575555/linux-4.19.72_CVE-2020-29368
[CVE-2020-29368] - GitHub: https://github.com/evdenis/cvehound
[CVE-2020-29371] - GitHub: https://github.com/marcinguy/CVE-2020-10135-BIAS
[CVE-2020-10135: CVE 2020-10135 a.k.a BIAS (Bluetooth Impersonation Attack)]
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-2020-25643
CVSS V2 Vector: AV:N/AC:M/Au:S/C:P/I:P/A:C/E:POC/RL:OF/RC:C
| CVSS Base Score: | 7.5 (High) |
| Impact Subscore: | 8.5 |
| Exploitability Subscore: | 6.8 |
| CVSS Temporal Score: | 5.9 (Medium) |
| CVSS Environmental Score: | NA (None) |
| Modified Impact Subscore: | NA |
| Overall CVSS Score: | 5.9 (Medium) |
| CVSS Base Score: | 7.2 (High) |
| Impact Subscore: | 5.9 |
| Exploitability Subscore: | 1.2 |
| CVSS Temporal Score: | 6.5 (Medium) |
| CVSS Environmental Score: | NA (None) |
| Modified Impact Subscore: | NA |
| Overall CVSS Score: | 6.5 (Medium) |
Go back to menu.
Plugin Source
This is the ubuntu_USN-4752-1.nasl nessus plugin source code. Ubuntu Security Notice (C) 2021 Canonical, Inc. / NASL script (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4752-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##
include('compat.inc');
if (description)
{
script_id(147982);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/03/24");
script_cve_id(
"CVE-2020-10135",
"CVE-2020-14314",
"CVE-2020-15436",
"CVE-2020-15437",
"CVE-2020-24490",
"CVE-2020-25212",
"CVE-2020-25284",
"CVE-2020-25641",
"CVE-2020-25643",
"CVE-2020-25704",
"CVE-2020-27152",
"CVE-2020-27815",
"CVE-2020-28588",
"CVE-2020-28915",
"CVE-2020-29368",
"CVE-2020-29369",
"CVE-2020-29371",
"CVE-2020-29660",
"CVE-2020-29661",
"CVE-2020-35508"
);
script_xref(name:"USN", value:"4752-1");
script_name(english:"Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in
the USN-4752-1 advisory.
- Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2
and earlier may allow an unauthenticated user to complete authentication without pairing credentials via
adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or
slave to pair with a previously paired remote device to successfully complete the authentication procedure
without knowing the link key. (CVE-2020-10135)
- A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file
system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash
the system if the directory exists. The highest threat from this vulnerability is to system availability.
(CVE-2020-14314)
- Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain
privileges or cause a denial of service by leveraging improper access to a certain error field.
(CVE-2020-15436)
- The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in
drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial
of service by using the p->serial_in pointer which uninitialized. (CVE-2020-15437)
- Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of
service via adjacent access. This affects all Linux kernel versions that support BlueZ. (CVE-2020-24490)
- A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers
to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c
instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452. (CVE-2020-25212)
- The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete
permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap
rbd block devices, aka CID-f44d04e696fe. (CVE-2020-25284)
- A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length
biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a
denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block
device, resulting in a denial of service. The highest threat from this vulnerability is to system
availability. (CVE-2020-25641)
- A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption
and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause
the system to crash or cause a denial of service. The highest threat from this vulnerability is to data
confidentiality and integrity as well as system availability. (CVE-2020-25643)
- A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using
PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of
service. (CVE-2020-25704)
- An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before
5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering,
aka CID-77377064c3a9. (CVE-2020-27152)
- A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be
used by local attackers to read kernel memory, aka CID-6735b4632def. (CVE-2020-28915)
- An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The
copy-on-write implementation can grant unintended write access because of a race condition in a THP
mapcount check, aka CID-c444eb564fb1. (CVE-2020-29368)
- An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between
certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an
munmap call, aka CID-246c320a8cfe. (CVE-2020-29369)
- An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4.
Uninitialized memory leaks to userspace, aka CID-bcf85fcedfdd. (CVE-2020-29371)
- A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13.
drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID,
aka CID-c8bcd9c5be24. (CVE-2020-29660)
- A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13.
drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.
(CVE-2020-29661)
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://ubuntu.com/security/notices/USN-4752-1");
script_set_attribute(attribute:"solution", value:
"Update the affected linux-image-5.6.0-1048-oem and / or linux-image-oem-20.04 packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-25643");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/19");
script_set_attribute(attribute:"patch_publication_date", value:"2021/02/25");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/23");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.6.0-1048-oem");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Ubuntu Local Security Checks");
script_copyright(english:"Ubuntu Security Notice (C) 2021 Canonical, Inc. / NASL script (C) 2021 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/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
exit(0);
}
include('audit.inc');
include('ubuntu.inc');
include('ksplice.inc');
if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item('Host/Ubuntu/release');
if ( isnull(release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
release = chomp(release);
if (! preg(pattern:"^(20\.04)$", string:release)) audit(AUDIT_OS_NOT, 'Ubuntu 20.04', 'Ubuntu ' + release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);
if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
rm_kb_item(name:'Host/uptrack-uname-r');
cve_list = make_list('CVE-2020-10135', 'CVE-2020-14314', 'CVE-2020-15436', 'CVE-2020-15437', 'CVE-2020-24490', 'CVE-2020-25212', 'CVE-2020-25284', 'CVE-2020-25641', 'CVE-2020-25643', 'CVE-2020-25704', 'CVE-2020-27152', 'CVE-2020-27815', 'CVE-2020-28588', 'CVE-2020-28915', 'CVE-2020-29368', 'CVE-2020-29369', 'CVE-2020-29371', 'CVE-2020-29660', 'CVE-2020-29661', 'CVE-2020-35508');
if (ksplice_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-4752-1');
}
else
{
_ubuntu_report = ksplice_reporting_text();
}
}
pkgs = [
{'osver': '20.04', 'pkgname': 'linux-image-5.6.0-1048-oem', 'pkgver': '5.6.0-1048.52'},
{'osver': '20.04', 'pkgname': 'linux-image-oem-20.04', 'pkgver': '5.6.0.1048.44'}
];
flag = 0;
foreach package_array ( pkgs ) {
osver = NULL;
pkgname = NULL;
pkgver = NULL;
if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
if (osver && pkgname && pkgver) {
if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : ubuntu_report_get()
);
exit(0);
}
else
{
tested = ubuntu_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'linux-image-5.6.0-1048-oem / linux-image-oem-20.04');
}The latest version of this script can be found in these locations depending on your platform:
- Linux / Unix:
/opt/nessus/lib/nessus/plugins/ubuntu_USN-4752-1.nasl - Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\ubuntu_USN-4752-1.nasl - Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/ubuntu_USN-4752-1.nasl
Go back to menu.
How to Run
Here is how to run the Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1) 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 Ubuntu Local Security Checks plugin family.
- On the right side table select Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1) plugin ID 147982.
- 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 ubuntu_USN-4752-1.nasl -t <IP/HOST>Run the plugin with audit trail message on the console:
/opt/nessus/bin/nasl -a ubuntu_USN-4752-1.nasl -t <IP/HOST>Run the plugin with trace script execution written to the console (useful for debugging):
/opt/nessus/bin/nasl -T - ubuntu_USN-4752-1.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 ubuntu_USN-4752-1.nasl -t <IP/HOST>Go back to menu.
References
USN | Ubuntu Security Notice: See also:
- https://www.tenable.com/plugins/nessus/147982
- https://ubuntu.com/security/notices/USN-4752-1
- https://vulners.com/nessus/UBUNTU_USN-4752-1.NASL
- 147464 - SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0737-1)
- 147512 - EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1604)
- 147532 - Debian DLA-2586-1 : linux security update
- 147559 - EulerOS Virtualization 3.0.6.6 : kernel (EulerOS-SA-2021-1454)
- 147563 - openSUSE Security Update : the Linux Kernel (openSUSE-2021-393)
- 147568 - SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0736-1)
- 147579 - SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2021:0741-1)
- 147586 - SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0740-1)
- 147588 - EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2021-1386)
- 147591 - SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0735-1)
- 147690 - EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2021-1642)
- 147827 - RHEL 7 : kernel-rt (RHSA-2021:0857)
- 147835 - RHEL 7 : kernel (RHSA-2021:0856)
- 147861 - Oracle Linux 7 : kernel (ELSA-2021-0856)
- 147885 - CentOS 7 : kernel (CESA-2021:0856)
- 147975 - Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4748-1)
- 147978 - Ubuntu 20.04 LTS / 20.10 : Linux kernel vulnerabilities (USN-4751-1)
- 147983 - Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4749-1)
- 148009 - Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4750-1)
- 148041 - EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-1684)
- 148369 - RHEL 8 : kernel-rt (RHSA-2021:1081)
- 148370 - RHEL 8 : kernel (RHSA-2021:1093)
- 148371 - Oracle Linux 8 : kernel (ELSA-2021-1093)
- 148422 - CentOS 8 : kernel (CESA-2021:1093)
- 148438 - openSUSE Security Update : the Linux Kernel (openSUSE-2021-532)
- 148458 - Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9141)
- 148459 - Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9140)
- 148509 - SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1175-1)
- 148549 - Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9037)
- 148550 - Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9038)
- 148698 - SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1211-1)
- 148700 - SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1210-1)
- 148747 - SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2021:1238-1)
- 149028 - RHEL 7 : kernel (RHSA-2021:1376)
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