CVE-2024-46687
kernel: btrfs: fix a use-after-free when hitting errors inside btrfs_submit_chunk()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 13, 2024
Updated · September 13, 2026
Description
A flaw was found in the Linux kernel's btrfs filesystem. A local attacker with low privileges could exploit a use-after-free vulnerability when the btrfs_submit_chunk() function encounters errors during I/O operations. This double-freeing issue can lead to memory corruption, potentially allowing the attacker to achieve privilege escalation or cause a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free