{"id":"CVE-2026-74295","title":"ASoC: codecs: hdac_hdmi: Validate written enum value","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: codecs: hdac_hdmi: Validate written enum value\n\nhdac_hdmi_set_pin_port_mux() uses the written enum value to index the\ntexts array before calling snd_soc_dapm_put_…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 216336418c007c4b44c650acf2fd3d2de5bb81e8","Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < bc464a6a9e352daa17b1636c090cf3185710b9a0","Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 8cbf24714d6b3f553fc959632c9781176a73a9a7","Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 7f02e9064b6f84e7f93c72f134306271eb4f7de4","Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 9131e4b023e0db5764680034bdc94aeae0b0f33d","Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < d8961b5c7889b6ecc00f1409d36826df1665df27","Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 0b08baeccdcf52fad328ad645f5b4fbee04eea34","Linux 4.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T18:52:31.546747Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:31.120Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74295","references":[{"url":"https://git.kernel.org/stable/c/216336418c007c4b44c650acf2fd3d2de5bb81e8"},{"url":"https://git.kernel.org/stable/c/bc464a6a9e352daa17b1636c090cf3185710b9a0"},{"url":"https://git.kernel.org/stable/c/8cbf24714d6b3f553fc959632c9781176a73a9a7"},{"url":"https://git.kernel.org/stable/c/7f02e9064b6f84e7f93c72f134306271eb4f7de4"},{"url":"https://git.kernel.org/stable/c/9131e4b023e0db5764680034bdc94aeae0b0f33d"},{"url":"https://git.kernel.org/stable/c/d8961b5c7889b6ecc00f1409d36826df1665df27"},{"url":"https://git.kernel.org/stable/c/0b08baeccdcf52fad328ad645f5b4fbee04eea34"}],"tags":["cve.org"],"epss":0.00167,"epssPercentile":0.05528,"ingestedAt":"2026-10-16T19:46:24.382Z","slug":"CVE-2026-74295","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nASoC: codecs: hdac_hdmi: Validate written enum value\n\nhdac_hdmi_set_pin_port_mux() uses the written enum value to index the\ntexts array before calling snd_soc_dapm_put_enum_double(), which validates\nthat the value is within the enum item range.\n\nAn out-of-range value can therefore make the driver read past the texts\narray before the helper rejects the write. Move the lookup after the helper\nhas accepted the value.\n\n## Affected\n\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 216336418c007c4b44c650acf2fd3d2de5bb81e8`\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < bc464a6a9e352daa17b1636c090cf3185710b9a0`\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 8cbf24714d6b3f553fc959632c9781176a73a9a7`\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 7f02e9064b6f84e7f93c72f134306271eb4f7de4`\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 9131e4b023e0db5764680034bdc94aeae0b0f33d`\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < d8961b5c7889b6ecc00f1409d36826df1665df27`\n- `Linux >= 4a3478debf36c0aa0cf0860daec245b13cd4448f < 0b08baeccdcf52fad328ad645f5b4fbee04eea34`\n- `Linux 4.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}