{"id":"AZL-102021","summary":"CVE-2026-90060 affecting package kernel 6.6.150.1-1","details":"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.","modified":"2026-09-18T14:15:26.144373796Z","published":"2026-09-17T17:16:54Z","upstream":["CVE-2026-90060"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90060"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.150.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-102021.json"}}],"schema_version":"1.9.0"}