{"id":"AZL-13006","summary":"CVE-2023-23454 affecting package kernel for versions less than 5.15.87.1-1","details":"cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).","modified":"2026-04-01T05:07:25.477438Z","published":"2023-01-12T07:15:08Z","upstream":["CVE-2023-23454"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23454"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.87.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-13006.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"}]}