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VulnerabilityPublished Updated

CVE-2026-97986: Linux kernel · virtio_input: stop callbacks before unregistering input device

Affects Linux kernelSource CVE Database V5

0

Not known to be exploited · fixed in d7808b37da0a619cf1fa541c2384e783fecc2480 : patch Linux kernel soon.

Data as of 26 Oct 2026, 13:08 UTC

Severity
High

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

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 d7808b37da0a619cf1fa541c2384e783fecc2480, a3ba86a270dd87460759214046dc7cbd409ac711, 81073bca2062c916c818f2744fbab545a5c4982b +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 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
  • ≥ 271c865161c57cfabca45b93eaa712b19da365bc, < d7808b37da0a619cf1fa541c2384e783fecc2480
Fixed in
  • d7808b37da0a619cf1fa541c2384e783fecc2480
LinuxLinuxAffected
  • ≥ 271c865161c57cfabca45b93eaa712b19da365bc, < a3ba86a270dd87460759214046dc7cbd409ac711
Fixed in
  • a3ba86a270dd87460759214046dc7cbd409ac711
LinuxLinuxAffected
  • ≥ 271c865161c57cfabca45b93eaa712b19da365bc, < 81073bca2062c916c818f2744fbab545a5c4982b
Fixed in
  • 81073bca2062c916c818f2744fbab545a5c4982b
LinuxLinuxAffected
  • ≥ 271c865161c57cfabca45b93eaa712b19da365bc, < 8226aeee9b9a94cd699fbb51cb230feff46cfaf2
Fixed in
  • 8226aeee9b9a94cd699fbb51cb230feff46cfaf2
LinuxLinuxAffected
  • ≥ 271c865161c57cfabca45b93eaa712b19da365bc, < 5378f7945856a5ed88e6f9850bc7a68f54090135
Fixed in
  • 5378f7945856a5ed88e6f9850bc7a68f54090135
LinuxLinuxAffected
  • ≥ 271c865161c57cfabca45b93eaa712b19da365bc, < 3ae729b1f8ab81d1244061872db2fb0ebb110d2a
Fixed in
  • 3ae729b1f8ab81d1244061872db2fb0ebb110d2a

AI-suggested

A fix is available in the Linux kernel versions identified by the fixed commit hashes. Users should update to a kernel version that includes these fixes to remediate the vulnerability. No additional mitigation steps are indicated.

Description

A vulnerability in the Linux kernel's virtio_input driver was fixed by ensuring callbacks stop before the input device is unregistered. The issue involved callbacks potentially accessing freed input device structures due to improper synchronization during device removal. The fix involves resetting the device first and waiting for callbacks to complete before unregistering the input device, preventing use-after-free conditions.

References

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