Linux kernel ax25_release ax25_bind Data Compromise

The vulnerability of the ax25release and ax25bind functions in the net/ax25/afax25.c module, which implements networking functions in the Linux kernel, is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentialit...

CVE-2025-21792

CVE-2025-21792 is a Linux kernel issue affecting AX25 binding via SO_BINDTODEVICE or ax25_bind, where refcount leaks occur in ax25_release due to improper refcount handling. The root cause is that when a device is bound to a socket, refcounts must already be incremented for the bound device, but ...

CVE-2025-21792: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ax25: Fix refcount leak caused by setting SOBINDTODEVICE sockopt If an AX25 device is bound to a socket by setting the SOBINDTODEVICE socket option, a refcount leak will occur in ax25release. Commit 9fd75b66b8f6 "ax25: Fix refcou...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the ax25release function in the Linux operating system’s kernel is related to pointer arithmetic errors. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...