{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23302","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.993Z","datePublished":"2026-03-25T10:26:57.470Z","dateUpdated":"2026-05-11T22:04:15.314Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:04:15.314Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: annotate data-races around sk->sk_{data_ready,write_space}\n\nskmsg (and probably other layers) are changing these pointers\nwhile other cpus might read them concurrently.\n\nAdd corresponding READ_ONCE()/WRITE_ONCE() annotations\nfor UDP, TCP and AF_UNIX."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/skmsg.c","net/ipv4/tcp.c","net/ipv4/tcp_bpf.c","net/ipv4/tcp_input.c","net/ipv4/tcp_minisocks.c","net/ipv4/udp.c","net/ipv4/udp_bpf.c","net/unix/af_unix.c"],"versions":[{"version":"604326b41a6fb9b4a78b6179335decee0365cd8c","lessThan":"7ad01905831c815520f1b0486336a03bb7420465","status":"affected","versionType":"git"},{"version":"604326b41a6fb9b4a78b6179335decee0365cd8c","lessThan":"c494448bb522bbbb63096540eb2319101a0480ab","status":"affected","versionType":"git"},{"version":"604326b41a6fb9b4a78b6179335decee0365cd8c","lessThan":"f17c1c4acbe2bd702abce73a847a04a196fab2c5","status":"affected","versionType":"git"},{"version":"604326b41a6fb9b4a78b6179335decee0365cd8c","lessThan":"27fccdbcbbfc4651b6f66756e6fa3f52e051ec23","status":"affected","versionType":"git"},{"version":"604326b41a6fb9b4a78b6179335decee0365cd8c","lessThan":"2ef2b20cf4e04ac8a6ba68493f8780776ff84300","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/skmsg.c","net/ipv4/tcp.c","net/ipv4/tcp_bpf.c","net/ipv4/tcp_input.c","net/ipv4/tcp_minisocks.c","net/ipv4/udp.c","net/ipv4/udp_bpf.c","net/unix/af_unix.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"6.6.136","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.82","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.17","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.7","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.12.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465"},{"url":"https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab"},{"url":"https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5"},{"url":"https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23"},{"url":"https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300"}],"title":"net: annotate data-races around sk->sk_{data_ready,write_space}","x_generator":{"engine":"bippy-1.2.0"}}}}