Double Free in Linux

CVE-2026-31506

In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: fix double free of WoL irq We do not need to free wol_irq since it was instantiated with devm_request_irq(). So devres will free for us.

Vulnerability class: Double Free

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (6.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-31506: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions a2f0751206b03374f6d02f89c18a60f1bb238fea, 6.6, 0
  • Linux Kernel — versions 6.6, 7.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-31506?
CVE-2026-31506 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-04-22.
How severe is CVE-2026-31506?
High severity. CVSS v3 base score is 7.8 out of 10.