Memory leak in Linux kernel - CVE-2026-90267
Published: September 18, 2026
Vulnerability identifier: #VU151211
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90267
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource cleanup in the SCSI disk driver command setup routines when handling UNMAP or WRITE SAME commands after SCSI scatter-gather table allocation failure. A local user can issue UNMAP or WRITE SAME commands when SCSI scatter-gather table allocation fails to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-90267
Install security update from vendor's repository.