VulnerabilityPublished 8 May 2026Updated 6 Nov 2026

CVE-2026-43444: Linux kernel · drm/amdkfd: Unreserve bo if queue update failed

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in b2b7742c465c8e3b36dc325a48abb4b9f2aaa38b : update Linux kernel when convenient.

Data as of 6 Nov 2026, 15:49 UTC

Severity

Unrated

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

Thin evidence

One scorer or none

Exploitation: No evidence of active exploitation and no public proof of concept
Automatable: Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact: Limited control over the software or limited information exposure

CISA SSVC assessment, 2026-11-06.

Patch

Available – fixed in b2b7742c465c8e3b36dc325a48abb4b9f2aaa38b, 781110700ada22168fbb490dd61432d23a17a5b4, 529c985da1b277b36dc99aad660f96dc70f3c467 +1

Exploitation 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 6 Nov 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.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), 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 Linux kernel to b2b7742c465c8e3b36dc325a48abb4b9f2aaa38b, 781110700ada22168fbb490dd61432d23a17a5b4, 529c985da1b277b36dc99aad660f96dc70f3c467 or 2ce75a0b7e1bfddbcb9bc8aeb2e5e7fa99971acf.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ 305cd109b761202d71f2f655ea369fe889ba1d01, < b2b7742c465c8e3b36dc325a48abb4b9f2aaa38b	Fixed in b2b7742c465c8e3b36dc325a48abb4b9f2aaa38b
LinuxLinux	Affected ≥ 305cd109b761202d71f2f655ea369fe889ba1d01, < 781110700ada22168fbb490dd61432d23a17a5b4	Fixed in 781110700ada22168fbb490dd61432d23a17a5b4
LinuxLinux	Affected ≥ 305cd109b761202d71f2f655ea369fe889ba1d01, < 529c985da1b277b36dc99aad660f96dc70f3c467	Fixed in 529c985da1b277b36dc99aad660f96dc70f3c467
LinuxLinux	Affected ≥ 305cd109b761202d71f2f655ea369fe889ba1d01, < 2ce75a0b7e1bfddbcb9bc8aeb2e5e7fa99971acf	Fixed in 2ce75a0b7e1bfddbcb9bc8aeb2e5e7fa99971acf
LinuxLinux	Affected =6.12	Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Unreserve bo if queue update failed Error handling path should unreserve bo then return failed. (cherry picked from commit c24afed7de9ecce341825d8ab55a43a254348b33)

References

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