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 not properly using the RCU to protect dstdev access, which could lead to reuse after release...

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 not protecting dstdev access with an RCU, which could lead to reuse after release...

CVE-2025-40075

In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu Replace three dstdev with a lockdep enabled helper...

UBUNTU-CVE-2025-40075

In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu Replace three dstdev with a lockdep enabled helper...

CVE-2025-40075

CVE-2025-40075 affects the Linux kernel’s tcp_metrics code. The fix replaces three dst_dev() calls with a lockdep-enabled helper, using dst_dev_net_rcu() to avoid unsafe RCU access. Reported CVSSv3.1 base score 8.1 (HIGH) with network attack vector and high impact on confidentiality, integrity, a...