Buffer overflow in Linux kernel - CVE-2009-1192

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Main Vulnerability Database Vulnerabilities #VU93807

Buffer overflow in Linux kernel - CVE-2009-1192

Published: April 24, 2009 / Updated: February 13, 2023


Vulnerability identifier: #VU93807
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2009-1192
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The (1) agp_generic_alloc_page and (2) agp_generic_alloc_pages functions in drivers/char/agp/generic.c in the agp subsystem in the Linux kernel before 2.6.30-rc3 do not 0 out pages that may later be available to a user-space process, which allows local users to obtain sensitive information by reading these pages.


Affected software

Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)

How to mitigate CVE-2009-1192

Install update from vendor's website.

linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-54.77
linux (Ubuntu package) - addressed in versions 2.6.24-24.55, 2.6.27-14.35, 2.6.28-13.45

External References

Related Security Bulletins