kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat()

A flaw was found in the Linux kernel's procfs component. When reading /proc/pid/stat, the dotaskstat function accesses task-realparent without proper Read-Copy-Update RCU protection. This missing protection creates a race condition, which can lead to a Use-After-Free UAF vulnerability. A local...

Use of Incorrectly-Resolved Name or Reference

Overview Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference in the handling of procfs file writes that leads to improper enforcement of the two --security options: --security=apparmor: and --security=selinux:. An attacker can bypass intended security...

SUSE CVE-2005-4605

The procfs code procmisc.c in Linux 2.6.14.3 and other versions before 2.6.15 allows attackers to read sensitive kernel memory via unspecified vectors in which a signed value is added to an unsigned value...