CVE-2026-23302
Published: March 26, 2026Last modified: July 6, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.7 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.177-r0) |
| 25 LTS | linux-lts | Fixed (6.12.85-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/279f2b67d1c44ee139bd3fdb221850daa9358449
- https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23
- https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300
- https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465
- https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab
- https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5