CVE-2024-43853 is a Use-After-Free (UAF) vulnerability in the Linux kernel's cgroup/cpuset functionality, specifically affecting the proc_cpuset_show() function. This flaw allows a local attacker to trigger a system crash (denial of service) by repeatedly unmounting and reading /proc/<pid>/cpuset, exploiting a race condition during cgroup root re-binding. Rated Medium severity with a CVSS score of 5.5, it has a low attack complexity and requires local user privileges. There is currently no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.6, < 6.1.103CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.6.44CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.7, < 6.10.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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