CVE-2003-0462 Race condition in n/a

What is CVE-2003-0462?

CVE-2003-0462 is a low-severity vulnerability in Linux kernel, published on 25 Jul 2003. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A race condition in the way env_start and env_end pointers are initialized in the execve system call and used in fs/proc/base.c on Linux 2.4 allows local users to cause a denial of service (crash).

Which versions are affected by CVE-2003-0462?

It affects 4 products.

Products include Linux kernel, Mandrakesoft Mandrake Linux, Mandrakesoft Mandrake Linux Corporate Server, Mandrakesoft Mandrake Multi Network Firewall.

How do I fix CVE-2003-0462?

Apply the vendor's patch.

Is CVE-2003-0462 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0462 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q96r-f8gg-v2g6.