CVE-2026-43446: Linux kernel · accel/amdxdna: Fix runtime suspend deadlock when there is pending job
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium.
Data as of 12 Nov 2026, 20:03 UTC
Thin evidence
One scorer or noneCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 8 May 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 12 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTSlinux-aws-6.14pkg:deb/ubuntu/linux-aws-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-azure-6.11pkg:deb/ubuntu/linux-azure-6.11?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-gcp-6.11pkg:deb/ubuntu/linux-gcp-6.11?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-gcp-6.14pkg:deb/ubuntu/linux-gcp-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-hwe-6.11pkg:deb/ubuntu/linux-hwe-6.11?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-hwe-6.14pkg:deb/ubuntu/linux-hwe-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available that changes the handling of pm_runtime_resume_and_get() to occur at job submission rather than execution, preventing the deadlock. Users should apply the updated Linux kernel versions that include this fix.
Description
A deadlock vulnerability in the Linux kernel's accel/amdxdna driver was fixed. The issue occurred during runtime suspend when a pending job called pm_runtime_resume_and_get(), causing a deadlock. The fix moves the resume call to the job submission phase to prevent deadlock.
References
- ubuntu.com/security/CVE-2026-43446 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-43446 (opens in a new tab)
- git.kernel.org/linus/6b13cb8f48a42ddf6dd98865b673a82e37ff238b (opens in a new tab)
- git.kernel.org/stable/c/6b13cb8f48a42ddf6dd98865b673a82e37ff238b (opens in a new tab)
- git.kernel.org/stable/c/ac72e7385a2c7533dd766de4197134d96230be85 (opens in a new tab)