CVE-2026-99032 Linux Kernel - Use After Free

Linux kernel contains a use-after-free vulnerability caused by dereferencing smc->clcsock without proper locking in smc_getname, letting local attackers cause crashes or undefined behavior, exploit requires concurrent socket termination.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
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:L/AC:L/PR:L/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 smc_getname locking.

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

← All CVEs