CVE-2025-21825

CVE-2025-21825 affects the Linux kernel’s BPF subsystem when PREEMPT_RT is enabled. The issue arises in the bpf_timer cancellation path during map update of preallocated htab elements: freeing of old_element under the bucket lock can race with reuse of the same element, potentially triggering a l...

Linux kernel code issue vulnerability (CNVD-2024-39359)

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. An attacker could exploit this vulnerability to cause scheduling problems...

Linux kernel 代码问题漏洞

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. An attacker could exploit this vulnerability to cause scheduling problems...