CVE-2025-38104

GPU service interruption via sleepable RLCG lock

Published Apr 18, 2025 · Updated May 23, 2026

Race condition in the Linux kernel amdgpu driver allows local users to interrupt GPU service in SR-IOV environments. The amdgpu_virt_rlcg_reg_rw function takes a sleepable mutex while gmc_v11_0_flush_gpu_tlb already holds a spinlock, producing an invalid wait context. Local access and an AMD GPU SR-IOV virtual-function configuration are required; concurrent RLCG register operations can stall GPU work and interrupt service.

CVSS severity5.5
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Race condition in the Linux kernel amdgpu driver allows local users to interrupt GPU service in SR-IOV environments. The amdgpu_virt_rlcg_reg_rw function takes a sleepable mutex while gmc_v11_0_flush_gpu_tlb already holds a spinlock, producing an invalid wait context. Local access and an AMD GPU SR-IOV virtual-function configuration are required; concurrent RLCG register operations can stall GPU work and interrupt service.

The record

CVE
CVE-2025-38104
Published
Apr 18, 2025
Updated
May 23, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-362, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 18, 2025CVE publishedPublication date reported by the CVE source.
  2. May 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1adb5ebe205e96af77a93512e2d5b8c437548787 <d1bda2ab0cf956a16dd369a473a6c43dfbed5855
  2. Affected versionversion=6.10.5 <6.11
  3. Affected versionversion=6.11
  4. Affected versionversion=6.1.105 <6.1.162
  5. Affected versionversion=6.6.46 <6.6.123
  6. Affected versionversion=e1ab38e99d1607f80a1670a399511a56464c0253
  7. Affected versionversion=e864180ee49b4d30e640fd1e1d852b86411420c9 <07ed75bfa7ede8bfcfa303fd6efc85db1c8684c7
  8. Affected versionversion=e864180ee49b4d30e640fd1e1d852b86411420c9 <1c0378830e42c98acd69e0289882c8637d92f285
  9. Affected versionversion=e864180ee49b4d30e640fd1e1d852b86411420c9 <5c1741a0c176ae11675a64cb7f2dd21d72db6b91
  10. Affected versionversion=e864180ee49b4d30e640fd1e1d852b86411420c9 <dc0297f3198bd60108ccbd167ee5d9fa4af31ed0
  11. Affected versionversion=f39a3bc42815a7016a915f6cb35e9a1448788f06 <dd450b513718dfeb4c637c9335d51a55ebcd4320

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=1adb5ebe205e96af77a93512e2d5b8c437548787 <d1bda2ab0cf956a16dd369a473a6c43dfbed5855; version=6.10.5 <6.11; version=6.11; version=6.1.105 <6.1.162; version=6.6.46 <6.6.123; version=e1ab38e99d1607f80a1670a399511a56464c0253; version=e864180ee49b4d30e640fd1e1d852b86411420c9 <07ed75bfa7ede8bfcfa303fd6efc85db1c8684c7; version=e864180ee49b4d30e640fd1e1d852b86411420c9 <1c0378830e42c98acd69e0289882c8637d92f285; version=e864180ee49b4d30e640fd1e1d852b86411420c9 <5c1741a0c176ae11675a64cb7f2dd21d72db6b91; version=e864180ee49b4d30e640fd1e1d852b86411420c9 <dc0297f3198bd60108ccbd167ee5d9fa4af31ed0; version=f39a3bc42815a7016a915f6cb35e9a1448788f06 <dd450b513718dfeb4c637c9335d51a55ebcd4320

Published CVSS scores

5.5Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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