CVE-2024-49966
kernel: ocfs2: cancel dqi_sync_work before freeing oinfo
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · September 14, 2026
Description
A flaw was found in ocfs2 in the Linux kernel. The ocfs2_global_read_info() function fails to properly cancel a scheduled dqi_sync_work object before freeing its associated information during error handling. A local attacker could exploit this use-after-free vulnerability, potentially leading to a denial of service, information disclosure, or privilege escalation.
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