Double free in Linux kernel - CVE-2026-97585

 

Double free in Linux kernel - CVE-2026-97585

Published: September 28, 2026


Vulnerability identifier: #VU152622
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97585
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to trigger a double unmap.

The vulnerability exists due to improper resource management in afs_edit_dir_remove() when removing an AFS directory entry that is not first in a hash chain. A local user can remove a directory entry to trigger a double unmap.


Affected software

Linux kernel

How to mitigate CVE-2026-97585

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins