CVE-2024-50087
kernel: btrfs: fix uninitialized pointer free on read_alloc_one_name() error
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 29, 2024
Updated · September 14, 2026
Description
A flaw was found in the Linux kernel's btrfs filesystem. The read_alloc_one_name() function does not properly initialize a pointer if memory allocation fails. This can lead to an uninitialized pointer being freed, resulting in memory corruption. A local attacker with low privileges could exploit this vulnerability to cause a system crash, leading to 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
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-824 · Access of Uninitialized Pointer