{"id":"AZL-56806","summary":"CVE-2023-52586 affecting package kernel 5.15.200.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: Add mutex lock in control vblank irq\n\nAdd a mutex lock to control vblank irq to synchronize vblank\nenable/disable operations happening from different threads to prevent\nrace conditions while registering/unregistering the vblank irq callback.\n\nv4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a\n    parameter of dpu_encoder_phys.\n    -Switch from atomic refcnt to a simple int counter as mutex has\n    now been added\nv3: Mistakenly did not change wording in last version. It is done now.\nv2: Slightly changed wording of commit message\n\nPatchwork: https://patchwork.freedesktop.org/patch/571854/","modified":"2026-04-01T05:18:59.004692Z","published":"2024-03-06T07:15:07Z","upstream":["CVE-2023-52586"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52586"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.15.200.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-56806.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"}]}