CVE-2011-1776

MEDIUM
6.1
CVSS Score
Published: September 6, 2011 at 04:00 PM UTC
Updated: June 16, 2026 at 11:30 PM UTC
6 products affected across 2 vendorsLinux KernelEnterprise Linux DesktopEnterprise Linux Server

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.6.39
Affected range stops below 2.6.39, so it looks safe — our inference, not a vendor statement

References (8)

Mailing Listx_refsource_MLISTPatchThird Party Advisory
http://openwall.com/lists/oss-security/2011/05/10/4
Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-0927.html
Third Party Advisoryx_refsource_SREASON
http://securityreason.com/securityalert/8369
x_refsource_CONFIRMRelease NotesVendor Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/47796
x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703026

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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