ReviewHigh

CVE-2022-1353

Linux kernel, linux kernel, debian linux

A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a leak of internal kernel information.

CVSS
7.1
EPSS
0.40%
32.9% percentile
CISA KEV
Not listed
Published
2022.04.30
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.40%
Technical severityCVSS 7.1

Vulnerability overview

A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a leak of internal kernel information.

Affected product and versions

Product
Linux kernel, linux kernel, debian linux
Affected versions
< 4.9.311, >= 4.10 < 4.14.276, >= 4.15 < 4.19.238, >= 4.20 < 5.4.189, >= 5.5 < 5.10.110, >= 5.11 < 5.15.33, >= 5.16 < 5.16.19, < 5.17, 5.17, 9.0, 10.0, 11.0, 8.0
Fixed versions
5.17

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux kernel, linux kernel, debian linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-200