CVE-2026-98968 Linux Kernel - Use After Free

Linux kernel contains a use-after-free vulnerability in amt device caused by queuing General Query packets in qdisc, letting attackers trigger memory corruption via delayed packet transmission, exploit requires network packet manipulation.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.21% 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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
23 October 2026
Updated
25 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for the amt device use-after-free issue.

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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