{"id":"CVE-2026-64484","title":"ALSA: es1938: check snd_ctl_new1() return value","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: es1938: check snd_ctl_new1() return value\n\nsnd_ctl_new1() can return NULL when memory allocation fails.\nsnd_es1938_mixer() does not check the return value before …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 96cad5bd7d0a176db3fdc06717a41271247336bd","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6c4efebaf73e217efbd08cdbda805758a7db3680","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 41759affbcfe3d51a32900da9547a1ffd744a85f","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7531a37720c2545a480fd0fa464978569bf9d6a2","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < af01c48e17a66fa038af210a5c49d6cdefd210bd","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9e53e99b6fa3cd82992d963cbff58dbbd1df8651","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1949163dee39e0e4a1468f37dd7302962f6af45a","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1edd1f02dddd20aeb6066ded41017615766ea42f","Linux 2.6.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:40:10.204634Z"},"published":"2026-07-25","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:44:55.187Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64484","references":[{"url":"https://git.kernel.org/stable/c/96cad5bd7d0a176db3fdc06717a41271247336bd"},{"url":"https://git.kernel.org/stable/c/6c4efebaf73e217efbd08cdbda805758a7db3680"},{"url":"https://git.kernel.org/stable/c/41759affbcfe3d51a32900da9547a1ffd744a85f"},{"url":"https://git.kernel.org/stable/c/7531a37720c2545a480fd0fa464978569bf9d6a2"},{"url":"https://git.kernel.org/stable/c/af01c48e17a66fa038af210a5c49d6cdefd210bd"},{"url":"https://git.kernel.org/stable/c/9e53e99b6fa3cd82992d963cbff58dbbd1df8651"},{"url":"https://git.kernel.org/stable/c/1949163dee39e0e4a1468f37dd7302962f6af45a"},{"url":"https://git.kernel.org/stable/c/1edd1f02dddd20aeb6066ded41017615766ea42f"}],"tags":["cve.org"],"epss":0.00185,"epssPercentile":0.08155,"ingestedAt":"2026-11-06T16:57:43.163Z","slug":"CVE-2026-64484","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: es1938: check snd_ctl_new1() return value\n\nsnd_ctl_new1() can return NULL when memory allocation fails.\nsnd_es1938_mixer() does not check the return value before dereferencing\nthe pointer, which can lead to a NULL pointer dereference.\n\nAdd a NULL check after snd_ctl_new1() and return -ENOMEM if it fails.\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 96cad5bd7d0a176db3fdc06717a41271247336bd`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6c4efebaf73e217efbd08cdbda805758a7db3680`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 41759affbcfe3d51a32900da9547a1ffd744a85f`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7531a37720c2545a480fd0fa464978569bf9d6a2`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < af01c48e17a66fa038af210a5c49d6cdefd210bd`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9e53e99b6fa3cd82992d963cbff58dbbd1df8651`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1949163dee39e0e4a1468f37dd7302962f6af45a`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1edd1f02dddd20aeb6066ded41017615766ea42f`\n- `Linux 2.6.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}