CVE-2026-53311
kernel: fuse: fix uninit-value in fuse_dentry_revalidate()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 26, 2026
Updated · July 7, 2026
Description
A flaw was found in the FUSE (Filesystem in Userspace) subsystem of the Linux kernel. An uninitialized value vulnerability exists in the fuse_dentry_revalidate() function, where it may be called with a dentry that has an uninitialized d_time field. This can lead to unpredictable system behavior or a system crash, resulting in a Denial of Service (DoS).
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-908 · Use of Uninitialized Resource