{"id":"AZL-80597","summary":"CVE-2026-23313 affecting package kernel for versions less than 6.6.137.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix preempt count leak in napi poll tracepoint\n\nUsing get_cpu() in the tracepoint assignment causes an obvious preempt\ncount leak because nothing invokes put_cpu() to undo it:\n\n  softirq: huh, entered softirq 3 NET_RX with preempt_count 00000100, exited with 00000101?\n\nThis clearly has seen a lot of testing in the last 3+ years...\n\nUse smp_processor_id() instead.","modified":"2026-08-28T17:46:33.274873641Z","published":"2026-03-25T11:16:27Z","upstream":["CVE-2026-23313"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23313"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.137.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-80597.json"}}],"schema_version":"1.9.0"}