{"id":"CVE-2026-90060","state":"PUBLISHED","title":"ALSA: control: Don't add invalid kcontrols to LED layer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: control: Don't add invalid kcontrols to LED layer\n\nThe kcontrol LED state layer tries to track the all associated\nkcontrol elements with naive assumptions that they are readable.\nBut one can create a write-only element that has no get callback (even\na user element can do it), and this may lead to a NULL dereference at\nthe call chain of snd_ctl_led_notify(), as found by syzkaller.\n\nFor avoiding the Oops, add a sanity check of the kcontrol's info and\nget callbacks, and just skip the invalid kcontrols before assigning\nthe kctl to the LED layer.","publishedAt":"2026-09-17T16:05:44.515Z","updatedAt":"2026-10-21T12:49:38.739Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"6e152cbfac3a2a62f79df7d23d621917c20367eb","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"3b8a540b36aa064822c701e4e0a1dea2cd4ec5b0","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"3d20cd049fc5f51f80e24a2db7a3cf00593c79e4","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"2f0c97b1a32fba8e81a69f6231aa0b3c9b6bc581","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"18c08f84ca483029f04e426ec7ca3b5d3684cf22","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"74e3b979ce8b78a690f8b94ccf2e2c965f7f5c11","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/control_led.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/control_led.c"]}],"references":["https://git.kernel.org/stable/c/6e152cbfac3a2a62f79df7d23d621917c20367eb","https://git.kernel.org/stable/c/3b8a540b36aa064822c701e4e0a1dea2cd4ec5b0","https://git.kernel.org/stable/c/3d20cd049fc5f51f80e24a2db7a3cf00593c79e4","https://git.kernel.org/stable/c/2f0c97b1a32fba8e81a69f6231aa0b3c9b6bc581","https://git.kernel.org/stable/c/18c08f84ca483029f04e426ec7ca3b5d3684cf22","https://git.kernel.org/stable/c/74e3b979ce8b78a690f8b94ccf2e2c965f7f5c11"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90060.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90060","state":"PUBLISHED","datePublished":"2026-09-17T16:05:44.515Z","dateUpdated":"2026-10-21T12:49:38.739Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.784Z"},"containers":{"cna":{"title":"ALSA: control: Don't add invalid kcontrols to LED layer","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: control: Don't add invalid kcontrols to LED layer\n\nThe kcontrol LED state layer tries to track the all associated\nkcontrol elements with naive assumptions that they are readable.\nBut one can create a write-only element that has no get callback (even\na user element can do it), and this may lead to a NULL dereference at\nthe call chain of snd_ctl_led_notify(), as found by syzkaller.\n\nFor avoiding the Oops, add a sanity check of the kcontrol's info and\nget callbacks, and just skip the invalid kcontrols before assigning\nthe kctl to the LED layer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"6e152cbfac3a2a62f79df7d23d621917c20367eb","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"3b8a540b36aa064822c701e4e0a1dea2cd4ec5b0","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"3d20cd049fc5f51f80e24a2db7a3cf00593c79e4","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"2f0c97b1a32fba8e81a69f6231aa0b3c9b6bc581","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"18c08f84ca483029f04e426ec7ca3b5d3684cf22","versionType":"git"},{"version":"22d8de62f11b287b279f1d4473a78c7d5e53e7bc","status":"affected","lessThan":"74e3b979ce8b78a690f8b94ccf2e2c965f7f5c11","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/control_led.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/control_led.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6e152cbfac3a2a62f79df7d23d621917c20367eb"},{"url":"https://git.kernel.org/stable/c/3b8a540b36aa064822c701e4e0a1dea2cd4ec5b0"},{"url":"https://git.kernel.org/stable/c/3d20cd049fc5f51f80e24a2db7a3cf00593c79e4"},{"url":"https://git.kernel.org/stable/c/2f0c97b1a32fba8e81a69f6231aa0b3c9b6bc581"},{"url":"https://git.kernel.org/stable/c/18c08f84ca483029f04e426ec7ca3b5d3684cf22"},{"url":"https://git.kernel.org/stable/c/74e3b979ce8b78a690f8b94ccf2e2c965f7f5c11"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:49:38.739Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}