CVE-2022-0492

CWE-287 — Improper AuthenticationCWE-862 — Missing Authorization28 documents11 sources
Severity
7.8HIGH
EPSS
5.1%
top 10.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
19
Linux Linux KernelCanonical Ubuntu LinuxDebian Debian Linux+16 more
Timeline
PublishedMar 3
Latest updateJan 15

Description

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages27 packages

▶NVDlinux/linux_kernel2.6.24 — 4.9.301+7
▶Debianlinux< 5.10.103-1+3
▶Ubuntulinux< 4.15.0-173.182+3
▶Ubuntulinux-aws< 4.15.0-1124.133+4
▶Ubuntulinux-kvm< 4.15.0-1110.113+1

Also affects: Debian Linux 10.0, 11.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 20.04, 22.04, Enterprise Linux 8.0, 8.2, 8.1, Fedora 35

Patches

Patch: bugzilla.redhat.com ↗Patch: git.kernel.org ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

10
Kernel
security, lsm: Introduce security_create_user_ns()↗2022-08-15
▶
OSV
linux-bluefield vulnerabilities↗2022-04-13
▶
OSV
Kernel Live Patch Security Notice↗2022-03-23
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-hwe, linux-gcp, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities↗2022-03-22
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2022-03-22
▶

🔍Detection Rules

1
Elastic
Docker Release File Creation↗
▶

📋Vendor Advisories

14
Oracle
Oracle Oracle Communications Risk Matrix: Platform (Kernel) — CVE-2022-0492↗2023-01-15
▶
Ubuntu
Kernel Live Patch Security Notice↗2022-06-02
▶
Ubuntu
Linux kernel (BlueField) vulnerabilities↗2022-04-13
▶
Ubuntu
Linux kernel vulnerabilities↗2022-04-06
▶
Ubuntu
Linux kernel (Intel IOTG) vulnerabilities↗2022-04-01
▶

🕵️Threat Intelligence

2
Unit42
New Linux Vulnerability CVE-2022-0492 Affecting Cgroups: Can Containers Escape?↗2022-03-03
▶
Unit42
New Linux Vulnerability CVE-2022-0492 Affecting Cgroups: Can Containers Escape?↗2022-03-03
▶