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VulnerabilityPublished Updated

CVE-2026-74271: Linux kernel · power: supply: core: fix supplied_from allocations

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in fefc9dad30d545be288d50a0b10d00465015fcfe : update Linux kernel when convenient.

Data as of 6 Nov 2026, 18:11 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

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 fefc9dad30d545be288d50a0b10d00465015fcfe, d0503357653ee62188987a26baa2d7f3689f367e, ba61aed9a34671222d1149acfc2f0179a9ce7e80 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Aug 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 to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ f6e0b081fb300a4601b064346963cf6bb163f437, < fefc9dad30d545be288d50a0b10d00465015fcfe
Fixed in
  • fefc9dad30d545be288d50a0b10d00465015fcfe
LinuxLinuxAffected
  • ≥ f6e0b081fb300a4601b064346963cf6bb163f437, < d0503357653ee62188987a26baa2d7f3689f367e
Fixed in
  • d0503357653ee62188987a26baa2d7f3689f367e
LinuxLinuxAffected
  • ≥ f6e0b081fb300a4601b064346963cf6bb163f437, < ba61aed9a34671222d1149acfc2f0179a9ce7e80
Fixed in
  • ba61aed9a34671222d1149acfc2f0179a9ce7e80
LinuxLinuxAffected
  • ≥ f6e0b081fb300a4601b064346963cf6bb163f437, < ae55e4bf18ee0c4c170797dd65e17dbdf644fcf2
Fixed in
  • ae55e4bf18ee0c4c170797dd65e17dbdf644fcf2
LinuxLinuxAffected
  • ≥ f6e0b081fb300a4601b064346963cf6bb163f437, < 14357ba006e1586e4b4e809c074b21baf0aa4c4b
Fixed in
  • 14357ba006e1586e4b4e809c074b21baf0aa4c4b
LinuxLinuxAffected
  • ≥ f6e0b081fb300a4601b064346963cf6bb163f437, < 23a29ee1d9de38b7d6226b27653bc736b28ff05a
Fixed in
  • 23a29ee1d9de38b7d6226b27653bc736b28ff05a

AI-suggested

A fix is available and has been applied in the Linux kernel after version 3.10, as indicated by the fixed commit hashes. Users should update to a patched kernel version containing these fixes to remediate the vulnerability.

Description

A vulnerability in the Linux kernel's power supply core component was fixed to address an out-of-bounds array access. The issue occurred when the device tree property power-supplies contained multiple values, causing an overrun of the supplied_from array during population.

References

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