SB2009042402 - Buffer overflow in Linux kernel

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Main Vulnerability Database SB2009042402

SB2009042402 - Buffer overflow in Linux kernel

Published: April 24, 2009

Security Bulletin ID SB2009042402
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2009-1192)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 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]


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.


Remediation

Install update from vendor's website.

References