SUSE CVE-2026-45966

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

CVE-2026-45966 apparmor: fix NULL pointer dereference in __unix_needs_revalidation

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

CVE-2026-45966 apparmor: fix NULL pointer dereference in __unix_needs_revalidation

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

CVE-2026-45966

CVE-2026-45966 concerns a Linux kernel/AppArmor regression. When receiving file descriptors via SCM_RIGHTS, both sock and sock->sk can be NULL, leading to NULL pointer dereferences in __unix_needs_revalidation() and a crash. The issue stems from added NULL checks in a new function without ensu...

PT-2026-43833

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.17 through 6.17 Description A NULL pointer dereference occurs in the unix needs revalidation function when receiving file descriptors via SCM RIGHTS. During socket setup or teardown, both the socket pointer and the...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of checking for sock and sock-sk pointers in unixneedsrevalidation, potentially leading to nul...