CVE-2026-31506 json
net: bcmasp: fix double free of WoL irq
published 2026-04-22 6 mo ago modified 2026-10-21 19 d ago also EUVD-2026-24883
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Linux Linux 6.6.160, 6.12.80, 6.18.21, 6.19.11, 7.0
- linux Debian 13 6.12.85-1
- linux Debian 14 6.19.11-1
debian advisories DEBIAN-CVE-2026-31506
- linux Ubuntu 24.04 LTS 6.8.0-136.136
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1064.72
- linux-gke Ubuntu 24.04 LTS 6.8.0-1059.67
- linux-ibm Ubuntu 24.04 LTS 6.8.0-1061.62
- linux-azure Ubuntu 24.04 LTS 6.8.0-1063.71
- linux-gkeop Ubuntu 24.04 LTS 6.8.0-1046.50
- linux-nvidia Ubuntu 24.04 LTS 6.8.0-1059.62
- linux-oracle Ubuntu 24.04 LTS 6.8.0-1061.64
ubuntu advisories UBUNTU-CVE-2026-31506
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/c5e2de193831ab9610a1ca542507f75d126f09b5 commit
- git.kernel.org/stable/c/121a6ad9cd42ba3bfc57deae93e3326515c2afe1 commit
- git.kernel.org/stable/c/9e5f5c07cc7d66522f8c9676c28605eba5d4a20e commit
- git.kernel.org/stable/c/8a30509ce6a29bdf18e0802383c524a7b2357ec0 commit
- git.kernel.org/stable/c/cbfa5be2bf64511d49b854a0f9fd6d0b5118621f commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-31506 updated
kernel: net: bcmasp: fix double free of WoL irq
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Linux Linux
Classification
- Weakness
-
- CWE-415 Double Free
- Technology feeds
References
- git.kernel.org /stable/c/c5e2de193831ab9610a1ca542507f75d126f09b5
-
git.kernel.org
/stable/c/121a6ad9cd42ba3bfc57deae93e3326515c2afe1
patch
-
git.kernel.org
/stable/c/9e5f5c07cc7d66522f8c9676c28605eba5d4a20e
patch
-
git.kernel.org
/stable/c/8a30509ce6a29bdf18e0802383c524a7b2357ec0
patch
-
git.kernel.org
/stable/c/cbfa5be2bf64511d49b854a0f9fd6d0b5118621f
patch
Sources
- CVE List CVE-2026-31506
- NVD CVE-2026-31506
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