Home

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.

PUBLISHED Reserved 2026-01-13 | Published 2026-03-25 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

604326b41a6fb9b4a78b6179335decee0365cd8c (git) before 7ad01905831c815520f1b0486336a03bb7420465
affected

604326b41a6fb9b4a78b6179335decee0365cd8c (git) before c494448bb522bbbb63096540eb2319101a0480ab
affected

604326b41a6fb9b4a78b6179335decee0365cd8c (git) before f17c1c4acbe2bd702abce73a847a04a196fab2c5
affected

604326b41a6fb9b4a78b6179335decee0365cd8c (git) before 27fccdbcbbfc4651b6f66756e6fa3f52e051ec23
affected

604326b41a6fb9b4a78b6179335decee0365cd8c (git) before 2ef2b20cf4e04ac8a6ba68493f8780776ff84300
affected

Default status
affected

4.20
affected

Any version before 4.20
unaffected

6.6.136 (semver)
unaffected

6.12.82 (semver)
unaffected

6.18.17 (semver)
unaffected

6.19.7 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/7ad01905831c815520f1b0486336a03bb7420465

git.kernel.org/...c/c494448bb522bbbb63096540eb2319101a0480ab

git.kernel.org/...c/f17c1c4acbe2bd702abce73a847a04a196fab2c5

git.kernel.org/...c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23

git.kernel.org/...c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300

cve.org (CVE-2026-23302)

nvd.nist.gov (CVE-2026-23302)

Download JSON