What is CVE-2026-52920?

CVE-2026-52920 is a high-severity vulnerability in Linux. CVSS score: 8.3/10. Published 2026-06-24.

How severe is CVE-2026-52920?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Linux

CVE-2026-52920

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_policy: fix strict mode inbound policy matching match_policy_in() walks sec_path entries from the last transform to the first one, but strict policy matchi…

EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H.

Affected products

Linux — versions c4b885139203d37f76662c37ae645fe8e0f4e4e5, 2.6.17, 0
Linux Linux_kernel — versions 7.1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-52920?: CVE-2026-52920 is a high-severity vulnerability in Linux. CVSS score: 8.3/10. Published 2026-06-24.
How severe is CVE-2026-52920?: High severity. CVSS v3 base score is 8.3 out of 10.