Improper locking in Linux kernel - CVE-2026-53106
Published: June 25, 2026
Vulnerability identifier: #VU135206
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-53106
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of local storage deletion in bpf local storage helpers when deleting local storage from an nmi context. A local user can trigger bpf_xxx_storage_delete() helpers to cause a denial of service.
The issue affects helper and syscall paths that reach bpf_selem_unlink().
How to mitigate CVE-2026-53106
Install security update from vendor's repository.