SB2007092501 - Privilege escalation in Linux kernel IA32

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Main Vulnerability Database SB2007092501

SB2007092501 - Privilege escalation in Linux kernel IA32

Published: September 25, 2007 Updated: June 5, 2024

Security Bulletin ID SB2007092501
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2007-4573)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the IA32 system call emulation functionality in Linux kernel, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used. A local user can use the %RAX register to escalate privileges on the system.


Remediation

Install update from vendor's website.

References