CVE-2024-41016: ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-29 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() xattr in ocfs2 maybe 'non-indexed', which saved with additional space requested. It's better to check if the memory is out of bound before memcmp, although this possibility mainly comes from crafted poisonous images.

Affected products

Linux kernel: before 4.19.323; from 4.20 before 5.4.285; from 5.5 before 5.10.227; from 5.11 before 5.15.168; from 5.16 before 6.1.112; from 6.2 before 6.6.53 — fixed in 4.19.323, 5.10.227, 5.15.168, 5.4.285, 6.1.112, 6.10.12

How to fix

Upgrade to a fixed version: Linux kernel 4.19.323, 5.10.227, 5.15.168, 5.4.285. Check the vendor advisory for mitigations.

References

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