{"id":"CVE-2026-72302","title":"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_…","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","cwe":["CWE-190"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 8","enterprise_linux 9"],"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:17:20.550","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72302","references":[{"url":"https://git.kernel.org/stable/c/312c7d2ebe696da3f885eee77d52297664e57c53","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6856b3c23b0995eefad5a6142b4365ef70e1fe4a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/711d912b18763af62a63aa8f2419a774eb63bba4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8791977d7289f6e9d2b014f60a5455f053a7bc04","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/89a2309a9eec80d4c19e3aed62c4f923594d1911","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ffd79e77f2fbacd7a5d40ad1d4c7f3f089a8f2f3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72302.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-72302"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516415"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72302"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72302"},{"url":"https://kernelcve.org/list/?q=CVE-2026-72302"},{"url":"https://lore.kernel.org/linux-cve-announce/2026081502-CVE-2026-72302-7b7f@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00177,"epssPercentile":0.07257,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:46:13.914828Z"},"scores":{"nvd":7.8,"vendor":5.5,"cna":7.8},"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## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72302.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":230287,"id":"CVE-2026-72302","ts":1793130914907,"field":"cvss","old":"5.5","new":"7.8"},{"seq":230286,"id":"CVE-2026-72302","ts":1793130914907,"field":"severity","old":"medium","new":"high"},{"seq":229282,"id":"CVE-2026-72302","ts":1793019664801,"field":"cvss","old":"7.8","new":"5.5"},{"seq":229281,"id":"CVE-2026-72302","ts":1793019664801,"field":"severity","old":"high","new":"medium"}]}