CVE-2025-71153
kernel: Linux kernel ksmbd: Memory leak leading to denial of service
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 23, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's ksmbd component. This memory leak vulnerability occurs in the get_file_all_info() function when vfs_getattr() fails, causing the allocated filename not to be freed. A local attacker could exploit this to exhaust system memory, leading to 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-772 · Missing Release of Resource after Effective Lifetime