Release of invalid pointer or reference in Linux kernel - CVE-2026-45959
Published: May 28, 2026
Vulnerability identifier: #VU132532
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45959
CWE-ID: CWE-763
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to cause a denial of service.
The vulnerability exists due to invalid free in the ccp crypto component when performing cleanup of a local pointer annotated with __cleanup(kfree). A local attacker can trigger the vulnerable code path to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-45959
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3