CVE-2026-98330 Linux Kernel - Use After Free

Linux kernel contains a use-after-free vulnerability in cfg80211 when a network namespace is destroyed and wiphy is not properly moved, letting attackers cause kernel mode faults and potential denial of service, exploit requires triggering network namespace destruction.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for wiphy handling in cfg80211.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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