Improper input validation in Linux kernel - CVE-2026-93146
Published: September 18, 2026
Vulnerability identifier: #VU150863
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93146
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause incorrect time calculations or unexpected behavior.
The vulnerability exists due to improper input validation in proc_timens_set_offset() when processing a time namespace offset with an invalid nanosecond field. A local user can provide a time offset containing an out-of-range nanosecond value to cause incorrect time calculations or unexpected behavior.
Affected software
Linux kernel
How to mitigate CVE-2026-93146
Install security update from vendor's repository.