CVE-2026-98130 Linux Kernel - Use After Free

Linux kernel contains a use-after-free caused by a TOCTOU race condition in SCTP_CMD_TIMER_START handler, letting attackers trigger memory corruption during association teardown, exploit requires triggering SCTP timer events.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.58% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Use After Free
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
25 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix.

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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