cve 2025 38477

CVE-2025-38477 is a Linux kernel vulnerability involving a race condition in the net/sched sch_qfq packet scheduler implementation. The flaw can lead to NULL pointer dereferences and use-after-free behavior. Microsoft has publicly named Azure Linux as a confirmed carrier of the upstream component and reserves the right to expand that attestation to other Microsoft products. Discussions on WindowsForum.com cover the technical details of the race condition, the affected kernel code, and the implications for Azure Linux and potentially other Microsoft offerings. The tag is relevant for users tracking Linux kernel security issues that impact Microsoft's cloud infrastructure.