{"id":"CVE-2026-72302","title":"ASoC: SOF: ipc3-control: Use overflow checks in control_update size calc","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc3-control: Use overflow checks in control_update size calc\n\nIn sof_ipc3_control_update(), the expected_size calculation uses\nfirmware-provided cdata->num_…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 6856b3c23b0995eefad5a6142b4365ef70e1fe4a","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 89a2309a9eec80d4c19e3aed62c4f923594d1911","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < ffd79e77f2fbacd7a5d40ad1d4c7f3f089a8f2f3","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 711d912b18763af62a63aa8f2419a774eb63bba4","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 312c7d2ebe696da3f885eee77d52297664e57c53","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 8791977d7289f6e9d2b014f60a5455f053a7bc04","Linux 5.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:46:13.914828Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:16.199Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72302","references":[{"url":"https://git.kernel.org/stable/c/6856b3c23b0995eefad5a6142b4365ef70e1fe4a"},{"url":"https://git.kernel.org/stable/c/89a2309a9eec80d4c19e3aed62c4f923594d1911"},{"url":"https://git.kernel.org/stable/c/ffd79e77f2fbacd7a5d40ad1d4c7f3f089a8f2f3"},{"url":"https://git.kernel.org/stable/c/711d912b18763af62a63aa8f2419a774eb63bba4"},{"url":"https://git.kernel.org/stable/c/312c7d2ebe696da3f885eee77d52297664e57c53"},{"url":"https://git.kernel.org/stable/c/8791977d7289f6e9d2b014f60a5455f053a7bc04"}],"tags":["cve.org"],"epss":0.00177,"epssPercentile":0.06836,"ingestedAt":"2026-10-16T19:46:24.411Z","slug":"CVE-2026-72302","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc3-control: Use overflow checks in control_update size calc\n\nIn sof_ipc3_control_update(), the expected_size calculation uses\nfirmware-provided cdata->num_elems in arithmetic that could overflow\non 32-bit platforms, wrapping to a small value. This would allow the\ncdata->rhdr.hdr.size comparison to pass with mismatched sizes,\npotentially leading to out-of-bounds access in snd_sof_update_control.\n\nUse check_mul_overflow() and check_add_overflow() to detect and reject\noverflowed size calculations.\n\n## Affected\n\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 6856b3c23b0995eefad5a6142b4365ef70e1fe4a`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 89a2309a9eec80d4c19e3aed62c4f923594d1911`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < ffd79e77f2fbacd7a5d40ad1d4c7f3f089a8f2f3`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 711d912b18763af62a63aa8f2419a774eb63bba4`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 312c7d2ebe696da3f885eee77d52297664e57c53`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 8791977d7289f6e9d2b014f60a5455f053a7bc04`\n- `Linux 5.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}