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HIGH

CVE-2026-98331

CVSS v3

7

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-10-06

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: unlist vifs when their netdev is unregistered mac80211 only removes vifs from the local->interfaces list when an interface is removed via ieee80211_if_remove(), before it unregisters the netdev. However, it's possible for a netdev to be unregistered without going through that: When the netns that holds the wiphy is destroyed, the wiphy is supposed to move to the init_ns, but that can run into allocation failure

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-10-06
Last Modified
2026-10-07

Frequently asked questions

What is CVE-2026-98331?

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: unlist vifs when their netdev is unregistered mac80211 only removes vifs from the local->interfaces list when an interface is removed via ieee80211_if_remove(), before it unregisters the netdev. However, it's possible for a netdev to be unregistered without going through that: When the netns that holds the wiphy is destroyed, the wiphy is supposed to move to the init_ns, but that can run into allocation failure

Is CVE-2026-98331 actively exploited?

Active exploitation of CVE-2026-98331 has not been confirmed. Its EPSS score was 0.2% on 2026-10-06, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-98331?

CVE-2026-98331 has a CVSS v3 base score of 7 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

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