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01 Record

CVE-2011-1776

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

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.54% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 45.2% of scored records. A rank, not a probability.
NVD base score: 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2011-09-06 16:00Z15 YR AGO

Last updated

2024-08-06 22:37Z2 YR AGO

Reserved

2011-04-19

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

365da50566a94e28b99e5e2961565e9e7c6281da5f64ce855f259236509c102a

05 Affected products

VendorProductVersionsPlatforms

linuxlinux_kernelNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_linux_desktopNot specified—

redhatenterprise_linux_serverNot specified—

redhatenterprise_linux_server_ausNot specified—

redhatenterprise_linux_server_eusNot specified—

redhatenterprise_linux_workstationNot specified—

redhatenterprise_mrgNot specified—

06 References

rhn.redhat.comRHSA-2011:0927http://rhn.redhat.com/errata/RHSA-2011-0927.htmlvendor-advisoryx_refsource_REDHAT
openwall.com[oss-security] 20110510 Re: CVE request: kernel: validate size of EFI GUID partition entrieshttp://openwall.com/lists/oss-security/2011/05/10/4mailing-listx_refsource_MLIST
securityreason.com8369http://securityreason.com/securityalert/8369third-party-advisoryx_refsource_SREASON
www.securityfocus.com47796http://www.securityfocus.com/bid/47796vdb-entryx_refsource_BID
www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39x_refsource_CONFIRM
git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121x_refsource_CONFIRM
www.pre-cert.dehttp://www.pre-cert.de/advisories/PRE-SA-2011-04.txtx_refsource_MISC
bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=703026x_refsource_CONFIRM