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VulnerabilityPublished Updated

CVE-2026-64171: Linux kernel · i2c: tegra: fix pm_runtime leak on mutex_lock failure

Affects Linux kernelSource CVE Database V5

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Not known to be exploited : upgrade to 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb or 8f7ed203b39004c02479a9156089d87d1ac2c1d8 when convenient.

Data as of 6 Nov 2026, 17:03 UTC

Severity
Low

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

Thin evidence

One scorer or none
CISA SSVC
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 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb, 8f7ed203b39004c02479a9156089d87d1ac2c1d8

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Jul 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 6 Nov 2026.

What to do

Upgrade Linux kernel to 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb or 8f7ed203b39004c02479a9156089d87d1ac2c1d8.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 6077cfd716fbd4d1f2a3702e49ae8bf65c072685, < 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb
Fixed in
  • 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb
LinuxLinuxAffected
  • ≥ 6077cfd716fbd4d1f2a3702e49ae8bf65c072685, < 8f7ed203b39004c02479a9156089d87d1ac2c1d8
Fixed in
  • 8f7ed203b39004c02479a9156089d87d1ac2c1d8
LinuxLinuxAffected
  • =7.0
Fixed in–

AI-suggested

A fix is available in the Linux kernel commits identified by hashes 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb and 8f7ed203b39004c02479a9156089d87d1ac2c1d8. Users should update to a kernel version including these fixes to resolve the issue.

Description

A vulnerability in the Linux kernel's i2c tegra driver causes a runtime PM reference leak when tegra_i2c_mutex_lock() fails. This leak prevents the device from entering runtime suspend, potentially impacting power management.

References

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