{"id":"CVE-2026-23420","state":"PUBLISHED","title":"wifi: wlcore: Fix a locking bug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: Fix a locking bug\n\nMake sure that wl->mutex is locked before it is unlocked. This has been\ndetected by the Clang thread-safety analyzer.","publishedAt":"2026-04-03T13:24:29.681Z","updatedAt":"2026-05-11T22:06:33.758Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"4ae8faf31b24c78653f4433298ee52813a56967a","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"fc404390a386404cf9822d4091ccae1f61efcbcd","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"7ab511003c5ae3bf5364d7699a2e3ab1db513680","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"aca4c9e4901b01b8b985993dc7df80bd1d1338bd","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"5feeea59ed142e15c3284d0b1a364c6786bf3487","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"fcef983ad88832f3aa83491a174c345de57afbbd","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"1a1c28a08d74716f3f8e3a21c86b30d0ff13521a","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"72c6df8f284b3a49812ce2ac136727ace70acc7c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ti/wlcore/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ti/wlcore/main.c"]}],"references":["https://git.kernel.org/stable/c/4ae8faf31b24c78653f4433298ee52813a56967a","https://git.kernel.org/stable/c/fc404390a386404cf9822d4091ccae1f61efcbcd","https://git.kernel.org/stable/c/7ab511003c5ae3bf5364d7699a2e3ab1db513680","https://git.kernel.org/stable/c/aca4c9e4901b01b8b985993dc7df80bd1d1338bd","https://git.kernel.org/stable/c/5feeea59ed142e15c3284d0b1a364c6786bf3487","https://git.kernel.org/stable/c/fcef983ad88832f3aa83491a174c345de57afbbd","https://git.kernel.org/stable/c/1a1c28a08d74716f3f8e3a21c86b30d0ff13521a","https://git.kernel.org/stable/c/72c6df8f284b3a49812ce2ac136727ace70acc7c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23420.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23420","state":"PUBLISHED","datePublished":"2026-04-03T13:24:29.681Z","dateUpdated":"2026-05-11T22:06:33.758Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:46.014Z"},"containers":{"cna":{"title":"wifi: wlcore: Fix a locking bug","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: Fix a locking bug\n\nMake sure that wl->mutex is locked before it is unlocked. This has been\ndetected by the Clang thread-safety analyzer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"4ae8faf31b24c78653f4433298ee52813a56967a","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"fc404390a386404cf9822d4091ccae1f61efcbcd","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"7ab511003c5ae3bf5364d7699a2e3ab1db513680","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"aca4c9e4901b01b8b985993dc7df80bd1d1338bd","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"5feeea59ed142e15c3284d0b1a364c6786bf3487","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"fcef983ad88832f3aa83491a174c345de57afbbd","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"1a1c28a08d74716f3f8e3a21c86b30d0ff13521a","versionType":"git"},{"version":"45aa7f071b06c8481afed4c7b93e07c9584741e8","status":"affected","lessThan":"72c6df8f284b3a49812ce2ac136727ace70acc7c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ti/wlcore/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ti/wlcore/main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4ae8faf31b24c78653f4433298ee52813a56967a"},{"url":"https://git.kernel.org/stable/c/fc404390a386404cf9822d4091ccae1f61efcbcd"},{"url":"https://git.kernel.org/stable/c/7ab511003c5ae3bf5364d7699a2e3ab1db513680"},{"url":"https://git.kernel.org/stable/c/aca4c9e4901b01b8b985993dc7df80bd1d1338bd"},{"url":"https://git.kernel.org/stable/c/5feeea59ed142e15c3284d0b1a364c6786bf3487"},{"url":"https://git.kernel.org/stable/c/fcef983ad88832f3aa83491a174c345de57afbbd"},{"url":"https://git.kernel.org/stable/c/1a1c28a08d74716f3f8e3a21c86b30d0ff13521a"},{"url":"https://git.kernel.org/stable/c/72c6df8f284b3a49812ce2ac136727ace70acc7c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:06:33.758Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.12.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}