VulnerabilityPublished 22 Apr 2026Updated 21 Oct 2026

CVE-2026-31506: Linux kernel · net: bcmasp: fix double free of WoL irq

Affects Linux kernelSource CVE Database V5

Not known to be exploited · fixed in cbfa5be2bf64511d49b854a0f9fd6d0b5118621f : update Linux kernel when convenient.

Data as of 26 Oct 2026, 14:18 UTC

Severity

Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS: 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in cbfa5be2bf64511d49b854a0f9fd6d0b5118621f, c5e2de193831ab9610a1ca542507f75d126f09b5, 121a6ad9cd42ba3bfc57deae93e3326515c2afe1 +2

Exploitation evidence

Disclosed: evidence found.
CVE published 22 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ a2f0751206b03374f6d02f89c18a60f1bb238fea, < cbfa5be2bf64511d49b854a0f9fd6d0b5118621f	Fixed in cbfa5be2bf64511d49b854a0f9fd6d0b5118621f
LinuxLinux	Affected ≥ a2f0751206b03374f6d02f89c18a60f1bb238fea, < c5e2de193831ab9610a1ca542507f75d126f09b5	Fixed in c5e2de193831ab9610a1ca542507f75d126f09b5
LinuxLinux	Affected ≥ a2f0751206b03374f6d02f89c18a60f1bb238fea, < 121a6ad9cd42ba3bfc57deae93e3326515c2afe1	Fixed in 121a6ad9cd42ba3bfc57deae93e3326515c2afe1
LinuxLinux	Affected ≥ a2f0751206b03374f6d02f89c18a60f1bb238fea, < 9e5f5c07cc7d66522f8c9676c28605eba5d4a20e	Fixed in 9e5f5c07cc7d66522f8c9676c28605eba5d4a20e
LinuxLinux	Affected ≥ a2f0751206b03374f6d02f89c18a60f1bb238fea, < 8a30509ce6a29bdf18e0802383c524a7b2357ec0	Fixed in 8a30509ce6a29bdf18e0802383c524a7b2357ec0
LinuxLinux	Affected =6.6	Fixed in–

Description

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.

References

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