Vulnerabilities

Vulnerability · CVE-2022-2602

io_uring UAF, Unix SCM garbage collection

Published Jan 8, 2024 · catalog updated Oct 14, 2026 · linux kernel

Check if you run it

No confirmed exploitation is on record for CVE-2022-2602. EPSS is 1.43%. Act only if a listed version of linux kernel is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.43%
Remediation
Advisory link
Affected products
cpe canonical/ubuntu linux · cpe linux/linux kernel

io_uring UAF, Unix SCM garbage collection

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe canonical/ubuntu linux18.04
  • cpe canonical/ubuntu linux20.04
  • cpe canonical/ubuntu linux22.04
  • cpe canonical/ubuntu linux22.10
  • cpe linux/linux kernelversion unspecified

How to fix CVE-2022-2602

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-2602. EPSS is 1.43%. Act only if a listed version of linux kernel is installed.

Which versions are affected?

Compare what you have installed with canonical/ubuntu linux 18.04; canonical/ubuntu linux 20.04; canonical/ubuntu linux 22.04; canonical/ubuntu linux 22.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 1.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2024 · NIST NVD

    Detected

    io_uring UAF, Unix SCM garbage collection

  2. Oct 14, 2026 · NIST NVD

    Updated

    io_uring UAF, Unix SCM garbage collection

Sources

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.