PT-2026-51731

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the BPF Berkeley Packet Filter subsystem. The function bpf selem unlink nofail sets the smap variable to NULL before removing the element from the...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the bpfskstorage invalid wait context, which could lead to a lock dependency reporting error...

kernel: bpf: bpf_sk_storage: Fix invalid wait context lockdep report

A locking context violation was found in the BPF socket local storage implementation in the Linux kernel. The code attempts to allocate memory via kzalloc while holding a rawspinlock, which is unsafe for PREEMPTRT kernels. This can cause lockdep warnings and potential issues on real-time kernels...