SB2011050310 - Heap-based buffer overflow in Linux kernel



SB2011050310 - Heap-based buffer overflow in Linux kernel

Published: May 3, 2011 Updated: August 11, 2020

Security Bulletin ID SB2011050310
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2011-1577)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the is_gpt_valid function in fs/partitions/efi.c in the Linux kernel 2.6.38 and earlier. A remote attacker can use a crafted size of the EFI GUID partition-table header on removable media. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.