UBUNTU-CVE-2026-43490

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate inherited ACE SID length smbinheritdacl walks the parent directory DACL loaded from the security descriptor xattr. It verifies that each ACE contains the fixed SID header before using it, but does not verify that...

kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption

A kernel stack flaw that corrupted the Linux kernel’s Mellanox Technologies Spectrum Ethernet driver was found when a user initialized more than 16 access control lists ACLs. This flaw allows a local user to crash or potentially escalate their privileges on the system...

UBUNTU-CVE-2013-4591

Buffer overflow in the nfs4getacluncached function in fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service memory corruption and system crash or possibly have unspecified other impact via a getxattr system call for the system.nfs4acl extended attribut...

USN-600-1: rsync vulnerability

Sebastian Krahmer discovered that rsync could overflow when handling ACLs. An attacker could construct a malicious set of files that when processed by rsync could lead to arbitrary code execution or a crash...