{"id":"CVE-2026-72304","revision":null,"records":[{"revision":"32a7494638b644b494396bf7ecae8789","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72304","aliases":[],"title":"ASoC: SOF: ipc4-control: Fix TOCTOU in sof_ipc4_bytes_put","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc4-control: Fix TOCTOU in sof_ipc4_bytes_put\n\nIn sof_ipc4_bytes_put(), the copy size is derived from the old\ndata->size in the buffer rather than the incoming new data's size\nfield from ucontrol. If the new data has a different size, the copy\nuses the wrong length: it may truncate valid data or copy stale bytes.\n\nFix by validating and using the incoming data's sof_abi_hdr.size from\nucontrol before copying.","state":0,"publishedAt":"2026-08-15T05:55:22.29+00:00","modifiedAt":"2026-10-16T18:55:16.536+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"sound/soc/sof/ipc4-control.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"a062c8899fede2ab5660a817e9b602d3fa280a99\",\n                            \"lessThan\": \"266f936db83aee6ca6473bbb06259bda52bf4fc3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a062c8899fede2ab5660a817e9b602d3fa280a99\",\n                            \"lessThan\": \"4cf6a7ebbf8787393b158b2cc341723e5bebc4a8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a062c8899fede2ab5660a817e9b602d3fa280a99\",\n                            \"lessThan\": \"fb4293173db2d474d8fbc0e5ecf4943e6df2b40e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a062c8899fede2ab5660a817e9b602d3fa280a99\",\n                            \"lessThan\": \"038406abde0d0883419ec89425ea941ec8bbef95\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a062c8899fede2ab5660a817e9b602d3fa280a99\",\n                            \"lessThan\": \"3ad673e7139cf214afd24321a829aad6575f4163\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"sound/soc/sof/ipc4-control.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/266f936db83aee6ca6473bbb06259bda52bf4fc3","https://git.kernel.org/stable/c/4cf6a7ebbf8787393b158b2cc341723e5bebc4a8","https://git.kernel.org/stable/c/fb4293173db2d474d8fbc0e5ecf4943e6df2b40e","https://git.kernel.org/stable/c/038406abde0d0883419ec89425ea941ec8bbef95","https://git.kernel.org/stable/c/3ad673e7139cf214afd24321a829aad6575f4163"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72304","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72304","identifiers":["CVE-2026-72304"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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