selinux: reject a permission value exceeding the class permission count

...

selinux: reject a class permission count below its inherited common

...

Linux Distros Unpatched Vulnerability : CVE-2026-80757

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - selinux: reject a class permission count below its inherited common securitygetpermissions maps an inherited common's permissions into an array sized by the...

UBUNTU-CVE-2026-80757

In the Linux kernel, the following vulnerability has been resolved: selinux: reject a class permission count below its inherited common securitygetpermissions maps an inherited common's permissions into an array sized by the class's own permissions.nprim, but classread takes that nprim verbatim...

CVE-2026-80757

CVE-2026-80757 is a vulnerability in the Linux kernel affecting the SELinux subsystem. The root cause is in security_get_permissions(), which maps an inherited common's permissions into an array sized by the class's own nprim field. However, class_read() takes nprim verbatim from the policy image...

PT-2026-84955

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds heap write exists in the SELinux component. The class read function accepts a permission count nprim from the policy image without verifying if it covers the inherited...