{"id":"AZL-32264","summary":"CVE-2023-6931 affecting package kernel for versions less than 5.15.143.1-1","details":"A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation.\n\nA perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group().\n\nWe recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.","modified":"2026-04-01T05:11:00.599382Z","published":"2023-12-19T14:15:08Z","upstream":["CVE-2023-6931"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6931"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.143.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-32264.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}