CVE-2026-23403

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix memory leak in verifyheader The function sets ns = NULL on every call, leaking the namespace string allocated in previous iterations when multiple profiles are unpacked. This also breaks namespace consistency checki...

CVE-2026-23403: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix memory leak in verifyheader The function sets ns = NULL on every call, leaking the namespace string allocated in previous iterations when multiple profiles are unpacked. This also breaks namespace consistency checki...

AppArmor Heap Buffer Overflow DoS

The vulnerability of the aaunpack function in the security/apparmor/policyunpack.c file of the AppArmor security module in the Linux operating system is related to a potential memory overflow. Exploiting this vulnerability could allow an attacker to cause a service failure...