CVE-2026-23302

net: annotate data-races around sk->sk_{data_ready,write_space}

State: Published
Severity: Not scored
Published: Mar 25, 2026
Updated: Oct 15, 2026
Reserved: Jan 13, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	604326b41a6fb9b4a78b6179335decee0365cd8c to before 279f2b67d1c44ee139bd3fdb221850daa9358449Affected 604326b41a6fb9b4a78b6179335decee0365cd8c to before 7ad01905831c815520f1b0486336a03bb7420465Affected 604326b41a6fb9b4a78b6179335decee0365cd8c to before c494448bb522bbbb63096540eb2319101a0480abAffected 604326b41a6fb9b4a78b6179335decee0365cd8c to before f17c1c4acbe2bd702abce73a847a04a196fab2c5Affected 604326b41a6fb9b4a78b6179335decee0365cd8c to before 27fccdbcbbfc4651b6f66756e6fa3f52e051ec23Affected 604326b41a6fb9b4a78b6179335decee0365cd8c to before 2ef2b20cf4e04ac8a6ba68493f8780776ff84300Affected
LinuxLinux	4.20Affected before 4.20Not affected 6.1.177 through 6.1.Not affected 6.6.136 through 6.6.Not affected 6.12.82 through 6.12.Not affected 6.18.17 through 6.18.Not affected 6.19.7 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

604326b41a6fb9b4a78b6179335decee0365cd8c to before 279f2b67d1c44ee139bd3fdb221850daa9358449Affected
604326b41a6fb9b4a78b6179335decee0365cd8c to before 7ad01905831c815520f1b0486336a03bb7420465Affected
604326b41a6fb9b4a78b6179335decee0365cd8c to before c494448bb522bbbb63096540eb2319101a0480abAffected
604326b41a6fb9b4a78b6179335decee0365cd8c to before f17c1c4acbe2bd702abce73a847a04a196fab2c5Affected
604326b41a6fb9b4a78b6179335decee0365cd8c to before 27fccdbcbbfc4651b6f66756e6fa3f52e051ec23Affected
604326b41a6fb9b4a78b6179335decee0365cd8c to before 2ef2b20cf4e04ac8a6ba68493f8780776ff84300Affected

LinuxLinux

4.20Affected
before 4.20Not affected
6.1.177 through 6.1.*Not affected
6.6.136 through 6.6.*Not affected
6.12.82 through 6.12.*Not affected
6.18.17 through 6.18.*Not affected
6.19.7 through 6.19.*Not affected
7.0 and laterNot affected

References

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