{"id":"AZL-6442","summary":"CVE-2021-38604 affecting package glibc for versions less than 2.35-1","details":"In librt in the GNU C Library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.","modified":"2026-04-21T04:32:24.661868Z","published":"2021-08-12T16:15:10Z","upstream":["CVE-2021-38604"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38604"}],"affected":[{"package":{"name":"glibc","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/glibc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.35-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6442.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}