The vulnerability of the sock_def_readable() function in the Linux operating system’s kernel allows a hacker to trigger a denial-of-service attack.

The vulnerability of the sockdef-readable function in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

CVE-2026-43050

In the Linux kernel, the following vulnerability has been resolved: atm: lec: fix use-after-free in sockdefreadable A race condition exists between lecatmclose setting priv-lecd to NULL and concurrent access to priv-lecd in sendtolecd, lechandlebridge, and lecatmsend. When the socket is freed via...