CVE-2026-31655: Linux kernel · pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in e44919669f07b8f113ad49a248b44ca4f119bc94 : update Linux kernel when convenient.
Data as of 30 Oct 2026, 12:49 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- Patch
- Available – fixed in e44919669f07b8f113ad49a248b44ca4f119bc94, e91d5f94acf68618ea3ad9c92ac28614e791ae7d, d215b525ace9af310b26a24232289770d5834dc3 +3
Exploitation 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 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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AI-suggested
A fix is available and has been applied in the Linux kernel as indicated by the listed commit hashes. Users should update their Linux kernel to a version that includes these commits to resolve the issue.
Description
A vulnerability in the Linux kernel related to the imx8mp-blk-ctrl power management domain has been resolved by ensuring the NOC_HDCP clock remains enabled. This fix addresses a potential system hang caused by the NoC ADB400 port power down handshake.
References
- git.kernel.org/stable/c/d215b525ace9af310b26a24232289770d5834dc3 (opens in a new tab)
- git.kernel.org/stable/c/80fd0de89805a3f92dc320f5ab5a18007c260374 (opens in a new tab)
- git.kernel.org/stable/c/3086374e8bc7fd65f2cc62ef52351c6d662f1543 (opens in a new tab)
- git.kernel.org/stable/c/e44919669f07b8f113ad49a248b44ca4f119bc94 (opens in a new tab)
- git.kernel.org/stable/c/d1ef779d02b5df4e8bff4083b20bfea587b43c4b (opens in a new tab)
- git.kernel.org/stable/c/e91d5f94acf68618ea3ad9c92ac28614e791ae7d (opens in a new tab)