SB2010092205 - Privilege escalation in Linux kernel IA32

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Main Vulnerability Database SB2010092205

SB2010092205 - Privilege escalation in Linux kernel IA32

Published: September 22, 2010 Updated: June 5, 2024

Security Bulletin ID SB2010092205
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) Improper Privilege Management (CVE-ID: CVE-2010-3301)

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to the IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S  on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used. A local user can use the %rax register to escalate privileges on the system.

Note, the vulnerability exists due to a CVE-2007-4573 regression.


Remediation

Install update from vendor's website.

References