CVE-2026-80757 selinux: reject a class permission count below its inherited common

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...

EUVD-2026-70361

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-2026-80755

CVE-2026-80755 affects the Linux kernel SELinux subsystem. The root cause is in perm_read(), which bounds a permission value by SEL_VEC_MAX but never by nprim (the count of permissions for the owning class or common, taken verbatim from the policy image). As a result, security_get_permissions() w...