Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/handshake: The function handshakereqsubmit replaces sk-skdestruct, but it never restores it when submission fails before the request is hashed. As a result, handshakeskdestruct returns early, and the original destructor never...

CVE-2026-64523

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshakenlacceptdoit needs the file pointer backing req-hrsk-sksocket to survive the window between handshakereqnext and the subsequent FDPREPARE and getfile. The...

CVE-2026-63980

A flaw was found in the Linux kernel's network handshake component. An improper locking mechanism, specifically the use of spinlock instead of spinlockbh in the handshakereqcancel function, can lead to a deadlock. This vulnerability occurs when a process-context thread holds a lock while a softir...

CVE-2026-63978

A flaw was found in the Linux kernel's network handshake component. When a network namespace exits, pending handshake requests may not be properly released due to incorrect list handling. This can lead to resource leaks and a list-corruption race, potentially resulting in memory corruption. An...

CVE-2025-71148

CVE-2025-71148 affects the Linux kernel networking code (net/handshake). The issue: handshake_req_submit() overwrites sk->sk_destruct on submission, but does not restore it if an error occurs before hashing, causing handshake_sk_destruct() to return early and leak the socket. The fix is to res...

DEBIAN-CVE-2024-26831

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Fix handshakereqdestroytest1 Recently, handshakereqdestroytest1 started failing: Expected handshakereqdestroytest == req, but handshakereqdestroytest == 0000000000000000 req == 0000000060f99b40 not ok 11 reqdestroy...