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VulnerabilityPublished Updated

CVE-2025-71163: Linux kernel · dmaengine: idxd: fix device leaks on compat bind and unbind

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99 : update Linux kernel when convenient.

Data as of 10 Nov 2026, 13:03 UTC

Severity
Unrated

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

Thin evidence

One scorer or none
Patch
Available – fixed in c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99, b7bd948f89271c92d9ca9b2b682bfba56896e959, b2d077180a56e3b7c97b7517d0465b584adc693b +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Jan 2026

  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 10 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9, < c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99
Fixed in
  • c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99
LinuxLinuxAffected
  • ≥ 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9, < b7bd948f89271c92d9ca9b2b682bfba56896e959
Fixed in
  • b7bd948f89271c92d9ca9b2b682bfba56896e959
LinuxLinuxAffected
  • ≥ 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9, < b2d077180a56e3b7c97b7517d0465b584adc693b
Fixed in
  • b2d077180a56e3b7c97b7517d0465b584adc693b
LinuxLinuxAffected
  • ≥ 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9, < a7226fd61def74b60dd8e47ec84cabafc39d575b
Fixed in
  • a7226fd61def74b60dd8e47ec84cabafc39d575b
LinuxLinuxAffected
  • ≥ 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9, < 799900f01792cf8b525a44764f065f83fcafd468
Fixed in
  • 799900f01792cf8b525a44764f065f83fcafd468
LinuxLinuxAffected
  • ≥ 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9, < 0c97ff108f825a70c3bb29d65ddf0a013d231bb9
Fixed in
  • 0c97ff108f825a70c3bb29d65ddf0a013d231bb9

AI-suggested

A fix has been implemented in the Linux kernel, as indicated by the presence of fixed commits. Users should update to a kernel version that includes these fixes to remediate the issue.

Description

A vulnerability in the Linux kernel's dmaengine idxd component caused device reference leaks during compat bind and unbind operations. This issue has been fixed by ensuring proper dropping of references taken when looking up the idxd device in the sysfs interface.

References

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