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VulnerabilityPublished Updated

CVE-2026-53120: Linux kernel · PCI: use generic driver_override infrastructure

Source GCVE Database

0
Authoritative record:CVE-2026-53120

Not known to be exploited · CVSS 7.8 High · fixed in fdfa287956d00b936e0ac409b21e4f90501ad109 : patch Linux kernel soon.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in fdfa287956d00b936e0ac409b21e4f90501ad109, dfe950d9464cad609f3b118c6203e2708055bc61, c5b2c5755495507e14f310c2653c85de0a309b1f +2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 782a985d7af26db39e86070d28f987cad21313c0, < fdfa287956d00b936e0ac409b21e4f90501ad109
Fixed in
  • fdfa287956d00b936e0ac409b21e4f90501ad109
LinuxLinuxAffected
  • ≥ 782a985d7af26db39e86070d28f987cad21313c0, < dfe950d9464cad609f3b118c6203e2708055bc61
Fixed in
  • dfe950d9464cad609f3b118c6203e2708055bc61
LinuxLinuxAffected
  • ≥ 782a985d7af26db39e86070d28f987cad21313c0, < c5b2c5755495507e14f310c2653c85de0a309b1f
Fixed in
  • c5b2c5755495507e14f310c2653c85de0a309b1f
LinuxLinuxAffected
  • ≥ 782a985d7af26db39e86070d28f987cad21313c0, < 58a42be0d70307d765594fc581f5f5e5ef059712
Fixed in
  • 58a42be0d70307d765594fc581f5f5e5ef059712
LinuxLinuxAffected
  • ≥ 782a985d7af26db39e86070d28f987cad21313c0, < 10a4206a24013be4d558d476010cbf2eb4c9fa64
Fixed in
  • 10a4206a24013be4d558d476010cbf2eb4c9fa64
LinuxLinuxAffected
  • =3.16
Fixed in–

AI-suggested

The vulnerability description indicates a fix has been implemented in the Linux kernel by adopting the generic driver_override infrastructure, which properly handles locking. Users should monitor official Linux kernel advisories and update to fixed kernel versions once available.

Description

A use-after-free (UAF) vulnerability in the Linux kernel's PCI driver probing mechanism was resolved by adopting the generic driver_override infrastructure. The issue arises because the bus match() callback is called without holding the device lock, leading to unsafe access to the driver_override field. This vulnerability could allow an attacker with local privileges to cause high impact on confidentiality, integrity, and availability. The fix involves proper locking handled internally by the driver-core infrastructure.

References

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