CVE-2002-1826 Security feature bypass in n/a

Medium 4.6 Published 28 Jun 2005 Updated 16 Sep 2024

Local attackers can bypass read-only protections to access kernel memory via mmap, potentially escalating privileges or reading sensitive data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2002-1826?

CVE-2002-1826 is a medium-severity vulnerability in n/a, published on 28 Jun 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

grsecurity 1.9.4 for Linux kernel 2.4.18 allows local users to bypass read-only permissions by using mmap to directly map /dev/mem or /dev/kmem to kernel memory.

Which versions are affected by CVE-2002-1826?

It affects 1 product.

Products include Grsecurity Grsecurity Kernel Patch.

How do I fix CVE-2002-1826?

No fix has been published for CVE-2002-1826 yet. Limit exposure of the affected software until one is available.

Is CVE-2002-1826 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-1826 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-pm7c-8g9r-r8ww.