CVE-2011-1776

CVE Details

Release Date:	2011-09-06
Impact:	Low	What is this?

Description

The is_gpt_valid function in fs/partitions/efi.c in the Linux kernel before 2.6.39 does not check the size of an Extensible Firmware Interface (EFI) GUID Partition Table (GPT) entry, which allows physically proximate attackers to cause a denial of service (heap-based buffer overflow and OOPS) or obtain sensitive information from kernel heap memory by connecting a crafted GPT storage device, a different vulnerability than CVE-2011-1577.

See more information about CVE-2011-1776 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	5.6
Vector String:	AV:L/AC:L/Au:N/C:P/I:N/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel)	ELSA-2011-0927	2011-07-18
Oracle Linux version 5 (ocfs2-2.6.18-238.19.1.0.1.el5)	ELSA-2011-0927	2011-07-18
Oracle Linux version 5 (oracleasm-2.6.18-238.19.1.0.1.el5)	ELSA-2011-0927	2011-07-18
Oracle Linux version 6 (kernel)	ELSA-2011-1189	2011-08-23