What is CVE-2026-53116?

CVE-2026-53116 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-24.

How severe is CVE-2026-53116?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Linux

CVE-2026-53116

In the Linux kernel, the following vulnerability has been resolved: s390/ap: use generic driver_override infrastructure When the AP masks are updated via apmask_store() or aqmask_store(), ap_bus_revise_bindings() is called after ap_attr_…

Vulnerability class: Use-After-Free

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions d38a87d7c0643db61e7a3bfc3ebeea2dc2568f7e, 6.19, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-416 — Use After Free

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53116?: CVE-2026-53116 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-24.
How severe is CVE-2026-53116?: High severity. CVSS v3 base score is 7.8 out of 10.