What is CVE-2026-31548?

CVE-2026-31548 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.

How severe is CVE-2026-31548?

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

Vulnerability in Linux

CVE-2026-31548

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsr_free_wk in cfg80211_pmsr_wdev_down When the nl80211 socket that originated a PMSR request is closed, cfg80211_release_pmsr() sets the request…

EPSS: 0.001 (2.9th 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 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, 5.0, 0
Linux Linux_kernel — versions 5.0, 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-2026-31548?: CVE-2026-31548 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.
How severe is CVE-2026-31548?: High severity. CVSS v3 base score is 7.8 out of 10.