{"id":"AZL-42265","summary":"CVE-2022-48670 affecting package kernel for versions less than 5.15.158.2-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\npeci: cpu: Fix use-after-free in adev_release()\n\nWhen auxiliary_device_add() returns an error, auxiliary_device_uninit()\nis called, which causes refcount for device to be decremented and\n.release callback will be triggered.\n\nBecause adev_release() re-calls auxiliary_device_uninit(), it will cause\nuse-after-free:\n[ 1269.455172] WARNING: CPU: 0 PID: 14267 at lib/refcount.c:28 refcount_warn_saturate+0x110/0x15\n[ 1269.464007] refcount_t: underflow; use-after-free.","modified":"2026-04-21T04:29:29.359467Z","published":"2024-05-03T15:15:07Z","upstream":["CVE-2022-48670"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48670"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.158.2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-42265.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:H/I:H/A:H"}]}