{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31661","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.129Z","datePublished":"2026-04-24T14:45:11.917Z","dateUpdated":"2026-05-11T22:13:08.559Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:13:08.559Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmsmac: Fix dma_free_coherent() size\n\ndma_alloc_consistent() may change the size to align it. The new size is\nsaved in alloced.\n\nChange the free size to match the allocation size."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c"],"versions":[{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"f449676bab54fea1440775c8c915dadb323fe015","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"3c204a0fd079fa7a867151a47d830ad1c2db5177","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"0f87777b74bcce29b966ec42d9aa8f9edd9b1667","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"4bf41c2731a0549e21f66180ff780b1e036639ab","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"77263f053963dea9f3962505ac0c768853d7dc59","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"01f1330d3d1bee07e0c42d40cc48b7be8b6dad84","status":"affected","versionType":"git"},{"version":"5b435de0d786869c95d1962121af0d7df2542009","lessThan":"12cd7632757a54ce586e36040210b1a738a0fc53","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c"],"versions":[{"version":"3.2","status":"affected"},{"version":"0","lessThan":"3.2","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.169","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.135","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.82","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.23","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.13","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":"3.2","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.1.169"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.6.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.12.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.18.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.19.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f449676bab54fea1440775c8c915dadb323fe015"},{"url":"https://git.kernel.org/stable/c/3c204a0fd079fa7a867151a47d830ad1c2db5177"},{"url":"https://git.kernel.org/stable/c/0f87777b74bcce29b966ec42d9aa8f9edd9b1667"},{"url":"https://git.kernel.org/stable/c/4bf41c2731a0549e21f66180ff780b1e036639ab"},{"url":"https://git.kernel.org/stable/c/77263f053963dea9f3962505ac0c768853d7dc59"},{"url":"https://git.kernel.org/stable/c/b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa"},{"url":"https://git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84"},{"url":"https://git.kernel.org/stable/c/12cd7632757a54ce586e36040210b1a738a0fc53"}],"title":"wifi: brcmsmac: Fix dma_free_coherent() size","x_generator":{"engine":"bippy-1.2.0"}}}}