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CVE-2011-1776

Date: September 6, 2011

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.

Language: C

Severity Score

Related Resources (12)

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://www.securityfocus.com/bid/47796
https://access.redhat.com/security/cve/CVE-2011-1776
https://nvd.nist.gov/vuln/detail/CVE-2011-1776
http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt
https://bugzilla.redhat.com/show_bug.cgi?id=703026
http://rhn.redhat.com/errata/RHSA-2011-0927.html
http://openwall.com/lists/oss-security/2011/05/10/4
http://securityreason.com/securityalert/8369
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1776
https://www.mend.io/vulnerability-database/CVE-2011-1776

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): PHYSICAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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