CVE-2026-31550: Linux kernel · pmdomain: bcm: bcm2835-power: Increase ASB control timeout
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 12 Nov 2026, 03:34 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 24 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 11 Nov 2026.
What to do
AI-suggested
A fix is available that increases the ASB control polling timeout and improves the polling mechanism. Users should apply the updated Linux kernel version containing this fix to resolve the issue.
Description
A vulnerability in the Linux kernel's bcm2835-power driver causes a timeout issue during power management suspend operations on BCM2711 hardware. The tight polling loop waiting for the ASB bridge acknowledgment is sometimes too short, causing failures that leave the V3D power domain in a broken state. This can lead to bus faults or system hangs on subsequent accesses.
References
- git.kernel.org/stable/c/0e84e74849d2d7e9b23a09c2d5e0d9357db1ca59 (opens in a new tab)
- git.kernel.org/stable/c/c5e734f6a0740dce92e7c919e632cb43fa5d4e53 (opens in a new tab)
- git.kernel.org/stable/c/622ab02e955c35c125ff2b65d8327b2c52db8758 (opens in a new tab)
- git.kernel.org/stable/c/9443202d91388026dbf7312972a74fbfd27ee82f (opens in a new tab)
- git.kernel.org/stable/c/ea4fa54b83bb2e4a21e9026824bfe271b1a6ee1e (opens in a new tab)
- git.kernel.org/stable/c/18605b1b936b66b1f34dcf8e9ad4f1fbcf7a7c13 (opens in a new tab)
- git.kernel.org/stable/c/572f17180f26619809b8e0593d926762aa8660ff (opens in a new tab)
- git.kernel.org/stable/c/b826d2c0b0ecb844c84431ba6b502e744f5d919a (opens in a new tab)