What is CVE-2026-31496?

CVE-2026-31496 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-22.

How severe is CVE-2026-31496?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-31496

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea ("netfilter: connt…

EPSS: 0.000 (3.4th 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 9b03f38d0487f3908696242286d934c9b38f9d2a, 2.6.28, 0
Linux Linux_kernel — versions 2.6.28, 7.0

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)

Frequently asked questions

What is CVE-2026-31496?: CVE-2026-31496 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-22.
How severe is CVE-2026-31496?: Medium severity. CVSS v3 base score is 5.5 out of 10.