Vulnerability in Linux

CVE-2026-53367

In the Linux kernel, the following vulnerability has been resolved: selinux: fix avdcache auditing The per-task avdcache was incorrectly saving and reusing the audited vector computed by avc_audit_required() rather than recomputing based on the currently requested permissions and distinguishing the denied versus allowed cases. As a result, some permission checks were not being audited, e.g. directory write checks after a previously cached directory search check. [PM: line wrap tweaks]

EPSS: 0.001 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux — versions dde3a5d0f4dce1d1a6095e6b8eeb59b75d28fb3b, 21879b76831fab52f6a615c531f86412c8d3c827, 6.17.10
  • Linux Linux_kernel — versions 6.18, 7.1

References

Frequently asked questions

What is CVE-2026-53367?
CVE-2026-53367 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-07-19.
How severe is CVE-2026-53367?
Medium severity. CVSS v3 base score is 5.5 out of 10.