high
7.8
CWE
287 862
Advisory Published
CVE Published
Updated

CVE-2022-0492

First published: Mon Feb 07 2022(Updated: )

A vulnerability was found in cgroup_release_agent_write in kernel/cgroup/cgroup-v1.c in the Linux kernel. In this flaw, under certain circumstances, the cgroups v1 release_agent feature can be used to escalate privilege and bypass namespace isolation unexpectedly. Upstream Commit: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af</a>

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<0:2.6.32-754.47.1.el6
0:2.6.32-754.47.1.el6
redhat/kernel-rt<0:3.10.0-1160.66.1.rt56.1207.el7
0:3.10.0-1160.66.1.rt56.1207.el7
redhat/kernel<0:3.10.0-1160.66.1.el7
0:3.10.0-1160.66.1.el7
redhat/kernel<0:3.10.0-514.101.1.el7
0:3.10.0-514.101.1.el7
redhat/kernel<0:3.10.0-693.103.1.el7
0:3.10.0-693.103.1.el7
redhat/kernel<0:3.10.0-957.94.1.el7
0:3.10.0-957.94.1.el7
redhat/kernel<0:3.10.0-1062.67.1.el7
0:3.10.0-1062.67.1.el7
redhat/kernel-rt<0:4.18.0-348.20.1.rt7.150.el8_5
0:4.18.0-348.20.1.rt7.150.el8_5
redhat/kernel<0:4.18.0-348.20.1.el8_5
0:4.18.0-348.20.1.el8_5
redhat/kernel<0:4.18.0-147.64.1.el8_1
0:4.18.0-147.64.1.el8_1
redhat/kernel-rt<0:4.18.0-193.79.1.rt13.129.el8_2
0:4.18.0-193.79.1.rt13.129.el8_2
redhat/kernel<0:4.18.0-193.79.1.el8_2
0:4.18.0-193.79.1.el8_2
redhat/kernel-rt<0:4.18.0-305.45.1.rt7.117.el8_4
0:4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel<0:4.18.0-305.45.1.el8_4
0:4.18.0-305.45.1.el8_4
redhat/kernel<5.17
5.17
debian/linux
5.10.223-1
5.10.234-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux Kernel>=2.6.24<4.9.301
Linux Kernel>=4.10<4.14.266
Linux Kernel>=4.15<4.19.229
Linux Kernel>=4.20<5.4.177
Linux Kernel>=5.5<5.10.97
Linux Kernel>=5.11<5.15.20
Linux Kernel>=5.16<5.16.6
Linux Kernel=5.17-rc1
Linux Kernel=5.17-rc2
Debian=9.0
Debian=10.0
Debian=11.0
Red Hat CodeReady Linux Builder=8.0
Red Hat CodeReady Linux Builder=8.2
Red Hat CodeReady Linux Builder for Power, little endian=8.0
Red Hat CodeReady Linux Builder for Power, little endian=8.2
Red Hat Virtualization Host EUS=4.0
Red Hat Enterprise Linux=8.0
Red Hat Enterprise Linux Server EUS=8.2
Red Hat Enterprise Linux for IBM Z Systems=8.0
Red Hat Enterprise Linux for IBM Z Systems (s390x)=8.0
Red Hat Enterprise Linux for Power, little endian=8.0
Red Hat Enterprise Linux for Power, little endian - Extended Update Support=8.0
Red Hat Enterprise Linux for Real Time for NFV=8.0
Red Hat Enterprise Linux for Real Time for NFV=8.2
Red Hat Enterprise Linux for Real Time=8.0
Red Hat Enterprise Linux for Real Time=8.2
Red Hat Enterprise Linux Server=8.2
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=8.1
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=8.2
Red Hat Enterprise Linux Server=8.2
Red Hat Enterprise Linux Server Update Services for SAP Solutions=8.1
Red Hat Enterprise Linux Server Update Services for SAP Solutions=8.2
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=20.04
Ubuntu=22.04
Fedora=35
NetApp SolidFire Enterprise SDS
NetApp SolidFire & HCI Management Node
NetApp H300E Firmware
NetApp H300S Firmware
NetApp H410C Firmware
NetApp H410S Firmware
NetApp H500e Firmware
NetApp H500e Firmware
NetApp H700E
NetApp H700S
NetApp HCI Compute Node
NetApp Baseboard Management Controller H300E
NetApp Baseboard Management Controller H300S
NetApp Baseboard Management Controller H410C Firmware
NetApp Baseboard Management Controller H410S
NetApp Baseboard Management Controller H500E Firmware
NetApp Baseboard Management Controller H500S
NetApp Baseboard Management Controller H700E Firmware
NetApp Baseboard Management Controller H700S

Remedy

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2051505

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-0492?

    CVE-2022-0492 has a high severity rating due to its potential to escalate privileges and bypass namespace isolation.

  • How do I fix CVE-2022-0492?

    To fix CVE-2022-0492, update to the latest version of the Linux kernel as specified in Red Hat's errata.

  • Which versions of the Linux kernel are affected by CVE-2022-0492?

    CVE-2022-0492 affects various versions of the Linux kernel, including 2.6.32 and all versions up to 5.17.

  • Is CVE-2022-0492 a remote exploit?

    CVE-2022-0492 is not classified as a remote exploit; it requires local access to exploit the vulnerability.

  • What types of systems are vulnerable to CVE-2022-0492?

    CVE-2022-0492 affects systems running affected versions of the Linux kernel, including various distributions like Red Hat and Debian.

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