{"id":"AZL-64619","summary":"CVE-2025-38113 affecting package kernel for versions less than 6.6.96.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Fix NULL pointer dereference when nosmp is used\n\nWith nosmp in cmdline, other CPUs are not brought up, leaving\ntheir cpc_desc_ptr NULL. CPU0's iteration via for_each_possible_cpu()\ndereferences these NULL pointers, causing panic.\n\nPanic backtrace:\n\n[    0.401123] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8\n...\n[    0.403255] [\u003cffffffff809a5818\u003e] cppc_allow_fast_switch+0x6a/0xd4\n...\nKernel panic - not syncing: Attempted to kill init!\n\n[ rjw: New subject ]","modified":"2026-04-01T05:20:22.467410Z","published":"2025-07-03T09:15:25Z","upstream":["CVE-2025-38113"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38113"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.96.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-64619.json"}}],"schema_version":"1.7.5"}