{"id":"CVE-2025-68347","title":"ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events\n\nThe DSP event handling code in hwdep_read() could write more bytes to\nthe user buffer than reques…","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 >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 16620f0617400746984362c3d6ac547eeae1d35f","Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < ddd32ec66bc4eb6969fe835e4cc1c0706c6348fe","Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 6275fd726d53a8ec724f20201cf3bd862711e17b","Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 161291bac551821bba98eb4ea84c82338578d1b0","Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < cdda0d06f8650e33255f79839f188bbece44117c","Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 210d77cca3d0494ed30a5c628b20c1d95fa04fb1","Linux 5.16"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:04:48.612733Z"},"published":"2025-12-24","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:09:43.312Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-68347","references":[{"url":"https://git.kernel.org/stable/c/16620f0617400746984362c3d6ac547eeae1d35f"},{"url":"https://git.kernel.org/stable/c/ddd32ec66bc4eb6969fe835e4cc1c0706c6348fe"},{"url":"https://git.kernel.org/stable/c/6275fd726d53a8ec724f20201cf3bd862711e17b"},{"url":"https://git.kernel.org/stable/c/161291bac551821bba98eb4ea84c82338578d1b0"},{"url":"https://git.kernel.org/stable/c/cdda0d06f8650e33255f79839f188bbece44117c"},{"url":"https://git.kernel.org/stable/c/210d77cca3d0494ed30a5c628b20c1d95fa04fb1"}],"tags":["cve.org"],"epss":0.00175,"epssPercentile":0.06529,"ingestedAt":"2026-10-16T17:24:46.631Z","slug":"CVE-2025-68347","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events\n\nThe DSP event handling code in hwdep_read() could write more bytes to\nthe user buffer than requested, when a user provides a buffer smaller\nthan the event header size (8 bytes).\n\nFix by using min_t() to clamp the copy size, This ensures we never copy\nmore than the user requested.\n\n## Affected\n\n- `Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 16620f0617400746984362c3d6ac547eeae1d35f`\n- `Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < ddd32ec66bc4eb6969fe835e4cc1c0706c6348fe`\n- `Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 6275fd726d53a8ec724f20201cf3bd862711e17b`\n- `Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 161291bac551821bba98eb4ea84c82338578d1b0`\n- `Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < cdda0d06f8650e33255f79839f188bbece44117c`\n- `Linux >= 634ec0b2906efd46f6f57977e172aa3470aca432 < 210d77cca3d0494ed30a5c628b20c1d95fa04fb1`\n- `Linux 5.16`\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":[]}