What is CVE-2026-53267?

CVE-2026-53267 is a high-severity vulnerability in Linux, classified under Uncontrolled Recursion. CVSS score: 7.8/10. Published 2026-06-25.

How severe is CVE-2026-53267?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-53267

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: bail out on template ct in get eval I noticed this issue while looking at a historic syzbot report [1]. A rule like the one below is enough to trigge…

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 45d9bcda21f4c13be75e3571b0f0ef39e77934b5, 4.1, 0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

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)

Frequently asked questions

What is CVE-2026-53267?: CVE-2026-53267 is a high-severity vulnerability in Linux, classified under Uncontrolled Recursion. CVSS score: 7.8/10. Published 2026-06-25.
How severe is CVE-2026-53267?: High severity. CVSS v3 base score is 7.8 out of 10.