{"id":"AZL-26316","summary":"CVE-2023-2177 affecting package kernel for versions less than 5.15.111.1-1","details":"A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.","modified":"2026-04-01T05:08:19.966128Z","published":"2023-04-20T21:15:08Z","upstream":["CVE-2023-2177"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2177"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.111.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-26316.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}