{"id":"AZL-57752","summary":"CVE-2025-21814 affecting package kernel for versions less than 5.15.179.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nptp: Ensure info-\u003eenable callback is always set\n\nThe ioctl and sysfs handlers unconditionally call the -\u003eenable callback.\nNot all drivers implement that callback, leading to NULL dereferences.\nExample of affected drivers: ptp_s390.c, ptp_vclock.c and ptp_mock.c.\n\nInstead use a dummy callback if no better was specified by the driver.","modified":"2026-04-01T05:19:11.991599Z","published":"2025-02-27T20:16:03Z","upstream":["CVE-2025-21814"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21814"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.179.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-57752.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"}]}