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VulnerabilityPublished Updated

CVE-2025-37853: Linux kernel · drm/amdkfd: debugfs hang_hws skip GPU with MES

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 14:05 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 May 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

AI-suggested

The current workaround is to skip GPUs with MES when using the debugfs hang_hws interface. Users should apply the Linux kernel update that includes this fix once available. Since this is a kernel-level issue, upgrading to the fixed kernel version when released is recommended. No other specific mitigations are indicated.

Description

A vulnerability in the Linux kernel's drm/amdkfd component related to the debugfs hang_hws interface causes a kernel crash due to a NULL pointer dereference when handling GPUs with MES (Micro-Engine Scheduler). The issue arises because the dqm->packet_mgr is not set up for the MES path, leading to a crash during GPU reset tests. The current mitigation is to skip GPUs with MES for this debugfs interface until proper support is implemented.

References

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