What is CVE-2026-31652?

CVE-2026-31652 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-04-24.

How severe is CVE-2026-31652?

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

Use After Free in Linux

CVE-2026-31652

In the Linux kernel, the following vulnerability has been resolved: mm/damon/stat: deallocate damon_call() failure leaking damon_ctx damon_stat_start() always allocates the module's damon_ctx object (damon_stat_context). Meanwhile, if d…

Vulnerability class: Use-After-Free

EPSS: 0.001 (1.8th 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 405f61996d9d2e9d497cd9f6b66f41dc28d3d1d8, 6.17, 0
Linux Linux_kernel — versions 6.17, 7.0

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)

Frequently asked questions

What is CVE-2026-31652?: CVE-2026-31652 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-04-24.
How severe is CVE-2026-31652?: High severity. CVSS v3 base score is 7.8 out of 10.