CVE-2026-23302

high

Description

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk->sk_{data_ready,write_space} skmsg (and probably other layers) are changing these pointers while other cpus might read them concurrently. Add corresponding READ_ONCE()/WRITE_ONCE() annotations for UDP, TCP and AF_UNIX.

References

https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5

https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab

https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465

https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300

https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23

Details

Source: Mitre, NVD

Published: 2026-03-25

Updated: 2026-04-27

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.4

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00017