Improper resource shutdown or release in Linux kernel - CVE-2026-90268

 

Improper resource shutdown or release in Linux kernel - CVE-2026-90268

Published: September 18, 2026


Vulnerability identifier: #VU151212
CSH Severity: Low
CVSS v4: 1 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90268
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker with physical access to cause a denial of service.

The vulnerability exists due to improper resource handling in sd_probe() when probing a SCSI device with a sector size larger than the page size and large pool creation fails. An attacker with physical access can trigger device probing under these conditions to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-90268

Install security update from vendor's repository.


External References

Related Security Bulletins