fkie_cve-2021-20269
Vulnerability from fkie_nvd
Published
2022-03-10 17:41
Modified
2024-11-21 05:46
Severity ?
Summary
A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.
References
▼ | URL | Tags | |
---|---|---|---|
secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1934261 | Issue Tracking, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1934261 | Issue Tracking, Third Party Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
kexec-tools_project | kexec-tools | * | |
fedoraproject | fedora | - | |
kexec-tools_project | kexec-tools | * | |
redhat | enterprise_linux | - |
{ configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*", matchCriteriaId: "1922DFF4-341A-4C43-B3CE-6D76A77BCE28", versionEndExcluding: "2.0.21-8", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*", matchCriteriaId: "D3FEADDA-2AEE-4F65-9401-971B585664A8", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*", matchCriteriaId: "803FD25F-B044-4A48-8C33-A9D9A472112B", versionEndExcluding: "2.0.20-47", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:o:redhat:enterprise_linux:-:*:*:*:*:*:*:*", matchCriteriaId: "3F7347E2-C2A4-4230-A1BC-F6FE93943D4F", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, ], cveTags: [], descriptions: [ { lang: "en", value: "A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.", }, { lang: "es", value: "Se ha encontrado un fallo en los permisos de un archivo de registro creado por kexec-tools. Este fallo permite a un usuario local no privilegiado leer este archivo y filtrar información interna del kernel de un pánico anterior. La mayor amenaza de esta vulnerabilidad es la confidencialidad. Este fallo afecta a kexec-tools distribuido por Fedora versiones anteriores a 2.0.21-8 y versiones de RHEL anteriores a 2.0.20-47", }, ], id: "CVE-2021-20269", lastModified: "2024-11-21T05:46:14.960", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "LOW", cvssData: { accessComplexity: "LOW", accessVector: "LOCAL", authentication: "NONE", availabilityImpact: "NONE", baseScore: 2.1, confidentialityImpact: "PARTIAL", integrityImpact: "NONE", vectorString: "AV:L/AC:L/Au:N/C:P/I:N/A:N", version: "2.0", }, exploitabilityScore: 3.9, impactScore: 2.9, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, source: "nvd@nist.gov", type: "Primary", userInteractionRequired: false, }, ], cvssMetricV31: [ { cvssData: { attackComplexity: "LOW", attackVector: "LOCAL", availabilityImpact: "NONE", baseScore: 5.5, baseSeverity: "MEDIUM", confidentialityImpact: "HIGH", integrityImpact: "NONE", privilegesRequired: "LOW", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, exploitabilityScore: 1.8, impactScore: 3.6, source: "nvd@nist.gov", type: "Primary", }, ], }, published: "2022-03-10T17:41:27.460", references: [ { source: "secalert@redhat.com", tags: [ "Issue Tracking", "Third Party Advisory", ], url: "https://bugzilla.redhat.com/show_bug.cgi?id=1934261", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Issue Tracking", "Third Party Advisory", ], url: "https://bugzilla.redhat.com/show_bug.cgi?id=1934261", }, ], sourceIdentifier: "secalert@redhat.com", vulnStatus: "Modified", weaknesses: [ { description: [ { lang: "en", value: "CWE-276", }, ], source: "secalert@redhat.com", type: "Primary", }, { description: [ { lang: "en", value: "CWE-276", }, ], source: "nvd@nist.gov", type: "Secondary", }, ], }
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Sightings
Author | Source | Type | Date |
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Nomenclature
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