What is CVE-2026-53193?

CVE-2026-53193 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-25.

How severe is CVE-2026-53193?

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

Use After Free in Linux

CVE-2026-53193

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: Forcibly close timer instances at closing When snd_timer object is freed via snd_timer_free() and still pending snd_timer_instance objects are assigned to t…

Vulnerability class: Use-After-Free

EPSS: 0.001 (3.9th 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 37745918e0e7575bc40f38da93a99b9fa6406224, 6.12, 0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2026-53193?: CVE-2026-53193 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-25.
How severe is CVE-2026-53193?: High severity. CVSS v3 base score is 7.8 out of 10.