{"id":"CVE-2026-72261","title":"ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc3-control: Validate size in snd_sof_update_control\n\nIn snd_sof_update_control(), firmware-provided cdata->num_elems is\nchecked against local_cdata->data->…","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 < 1dc25a3e06364f48c4ef06016852f8b82425151a","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < ee781058cd4d71e4449f41cbe6a3b8c59daa2c51","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < ecf67f1302f2080b4d241b973364aacda70ad740","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < d3abaedf6a58469610136d2dace1a85cddf7afcf","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 2a591bf6fd41fd14bdae689aafac4a9ee702c23c","Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 390aa4c9339bb0ec0bc8d554e830faf93ca9d49e","Linux 5.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:45:28.490975Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:13.974Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72261","references":[{"url":"https://git.kernel.org/stable/c/1dc25a3e06364f48c4ef06016852f8b82425151a"},{"url":"https://git.kernel.org/stable/c/ee781058cd4d71e4449f41cbe6a3b8c59daa2c51"},{"url":"https://git.kernel.org/stable/c/ecf67f1302f2080b4d241b973364aacda70ad740"},{"url":"https://git.kernel.org/stable/c/d3abaedf6a58469610136d2dace1a85cddf7afcf"},{"url":"https://git.kernel.org/stable/c/2a591bf6fd41fd14bdae689aafac4a9ee702c23c"},{"url":"https://git.kernel.org/stable/c/390aa4c9339bb0ec0bc8d554e830faf93ca9d49e"}],"tags":["cve.org"],"epss":0.00169,"epssPercentile":0.05794,"ingestedAt":"2026-10-16T19:46:24.414Z","slug":"CVE-2026-72261","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc3-control: Validate size in snd_sof_update_control\n\nIn snd_sof_update_control(), firmware-provided cdata->num_elems is\nchecked against local_cdata->data->size but never against the actual\nallocation size. If local_cdata->data->size was previously set to an\ninconsistent value, the memcpy could write past the allocated buffer.\n\nAdd a bounds check to ensure num_elems fits within the available space\nin the ipc_control_data allocation before copying.\n\n## Affected\n\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 1dc25a3e06364f48c4ef06016852f8b82425151a`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < ee781058cd4d71e4449f41cbe6a3b8c59daa2c51`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < ecf67f1302f2080b4d241b973364aacda70ad740`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < d3abaedf6a58469610136d2dace1a85cddf7afcf`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 2a591bf6fd41fd14bdae689aafac4a9ee702c23c`\n- `Linux >= 10f461d79c2d1afb22344986cc1b4631169cf25e < 390aa4c9339bb0ec0bc8d554e830faf93ca9d49e`\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":[]}