CVE-2003-0462
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…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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).
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Exploit-DB1 entry
- Linux Kernel 2.4 - SUID 'execve()' System Call Race Condition Executable File Read (Exploit-DB entry) (opens in a new tab)
EDB-ID 22840local, linuxpublished 26 Jun 2003Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 29 days later
· 29 days later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low1.2 | AV:L/AC:H/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.65% · top 49% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.2.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- RHSA-2003:238 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-423 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2003:198 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2003:239 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- oval:org.mitre.oval:def:309 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- DSA-358 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2003-0456 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-0462)Record last updated .