CVE-2024-39472
kernel: xfs: fix log recovery buffer allocation for the legacy h_size fixup
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 5, 2024
Updated · August 5, 2026
Description
A security vulnerability has been discovered in the Linux kernel's XFS file system implementation, specifically within the xlog_logrec_hblks function. This flaw arises from an inadequate log recovery buffer allocation during the processing of legacy header size adjustments. The vulnerability can be triggered by maliciously crafted inputs, leading to an out-of-bounds memory access. Successful exploitation of this condition could result in data corruption within the XFS file system.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer