CVE-2026-45964
kernel: SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 27, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's SUNRPC (Sun Remote Procedure Call) gss_auth module. An issue in the error handling path for gss_alloc_msg could lead to a kernel reference count (kref) leak. This occurs when a memory allocation fails, preventing the proper release of the gss_auth structure. A local attacker could potentially exploit this memory leak to cause a denial of service by exhausting system resources.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-911 · Improper Update of Reference Count