{"id":"CVE-2026-31661","title":"wifi: brcmsmac: Fix dma_free_coherent() size","summary":"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 t…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < f449676bab54fea1440775c8c915dadb323fe015","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 3c204a0fd079fa7a867151a47d830ad1c2db5177","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 0f87777b74bcce29b966ec42d9aa8f9edd9b1667","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 4bf41c2731a0549e21f66180ff780b1e036639ab","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 77263f053963dea9f3962505ac0c768853d7dc59","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 01f1330d3d1bee07e0c42d40cc48b7be8b6dad84","Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 12cd7632757a54ce586e36040210b1a738a0fc53","Linux 3.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:23:42.907917Z"},"published":"2026-04-24","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:32:21.544Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31661","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"}],"tags":["cve.org"],"epss":0.00114,"epssPercentile":0.01503,"ingestedAt":"2026-11-06T15:54:04.050Z","slug":"CVE-2026-31661","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < f449676bab54fea1440775c8c915dadb323fe015`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 3c204a0fd079fa7a867151a47d830ad1c2db5177`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 0f87777b74bcce29b966ec42d9aa8f9edd9b1667`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 4bf41c2731a0549e21f66180ff780b1e036639ab`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 77263f053963dea9f3962505ac0c768853d7dc59`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 01f1330d3d1bee07e0c42d40cc48b7be8b6dad84`\n- `Linux >= 5b435de0d786869c95d1962121af0d7df2542009 < 12cd7632757a54ce586e36040210b1a738a0fc53`\n- `Linux 3.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}