CVE-2011-1776

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-05-10T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2014-01-07T19:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "RHSA-2011:0927", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0927.html"}, {"name": "[oss-security] 20110510 Re: CVE request: kernel: validate size of EFI GUID partition entries", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2011/05/10/4"}, {"name": "8369", "tags": ["third-party-advisory", "x_refsource_SREASON"], "url": "http://securityreason.com/securityalert/8369"}, {"name": "47796", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/47796"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121"}, {"tags": ["x_refsource_MISC"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T22:37:25.816Z"}, "title": "CVE Program Container", "references": [{"name": "RHSA-2011:0927", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0927.html"}, {"name": "[oss-security] 20110510 Re: CVE request: kernel: validate size of EFI GUID partition entries", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2011/05/10/4"}, {"name": "8369", "tags": ["third-party-advisory", "x_refsource_SREASON", "x_transferred"], "url": "http://securityreason.com/securityalert/8369"}, {"name": "47796", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/47796"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-1776", "datePublished": "2011-09-06T16:00:00.000Z", "dateReserved": "2011-04-19T00:00:00.000Z", "dateUpdated": "2024-08-06T22:37:25.816Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "176353CE-F17E-4776-AD9F-19014DA75B76", "versionEndExcluding": "2.6.39", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:5.6:*:*:*:*:*:*:*", "matchCriteriaId": "BB6ADFB8-210D-4E46-82A2-1C8705928382", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:5.6:*:*:*:*:*:*:*", "matchCriteriaId": "2583A5FA-BDAF-4D3C-8616-C6B0ECCD057C", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "La funci\u00f3n is_gpt_valid en fs/partitions/efi.c en el kernel de Linux v2.6.39 no comprueba el tama\u00f1o de una Tabla de particiones GUID (GPT) de un Interface Firmware Extensible (EFI), lo que permite causar a atacantes f\u00edsicamente pr\u00f3ximos una denegaci\u00f3n de servicio (desbordamiento de memoria basado en monticulo y OOPS) u obtener informaci\u00f3n confidencial de la memoria din\u00e1mica del kernel conectando un dispositivo GPT de almacenamiento hecho a mano. Se trata de una vulnerabilidad diferente a CVE-2011-1577."}], "id": "CVE-2011-1776", "lastModified": "2026-06-16T23:30:00.403", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 7.8, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2011-09-06T16:55:07.680", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2011/05/10/4"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0927.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://securityreason.com/securityalert/8369"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/47796"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2011/05/10/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0927.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://securityreason.com/securityalert/8369"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/47796"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Timo Warns for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:0927", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-238.19.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-07-15T00:00:00Z"}, {"advisory": "RHSA-2011:1189", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-131.12.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-08-23T00:00:00Z"}, {"advisory": "RHSA-2011:1253", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:2.6.33.9-rt31.75.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2011-09-12T00:00:00Z"}], "bugzilla": {"description": "kernel: validate size of EFI GUID partition entries", "id": "703026", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["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."], "name": "CVE-2011-1776", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_mrg:1", "fix_state": "Affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 1"}], "public_date": "2011-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1776\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1776"], "statement": "This issue affects the versions of Linux kernel as shipped with Red Hat\nEnterprise 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html and https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.", "threat_severity": "Low"}

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