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CVE-2021-4154

UNKNOWN
Published 2022-02-04T22:29:17
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No CVSS data available

Description

A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-qvm5-4fh7-hcfx

Advisory Details

A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-4154
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2034514
WEB https://cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002
WEB https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b
WEB https://security.netapp.com/advisory/ntap-20220225-0004

Advisory provided by GitHub Security Advisory Database. Published: February 11, 2022, Modified: January 19, 2023

References

https://bugzilla.redhat.com/show_bug.cgi?id=2034514
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b
https://cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002
https://security.netapp.com/advisory/ntap-20220225-0004/
Published: 2022-02-04T22:29:17
Last Modified: 2024-08-03T17:16:04.485Z
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