Medium [CVE-2024-0775] Kernel: use-after-free while changing the mount option in __ext4_remount leading
This medium-severity Red Hat Linux advisory covers CVE-2024-0775 affecting kernel, Red Hat Enterprise Linux 9.
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free.
Affected products named by the advisory: Red Hat Enterprise Linux 9.
- kernel before 4.14.315
- kernel 4.15 before 4.19.283
- kernel 4.20 before 5.4.243
- kernel 5.5 before 5.10.180
- kernel 5.11 before 5.15.112
- kernel 5.16 before 6.1.29
- kernel 6.2 before 6.2.16
- kernel 6.3 before 6.3.3
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 4.14.315
- 4.19.283
- 5.4.243
- 5.10.180
- 5.15.112
- 6.1.29
- 6.2.16
- 6.3.3
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.112, 6.1.29. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.