gsd-2021-20269
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
{ GSD: { alias: "CVE-2021-20269", description: "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.", id: "GSD-2021-20269", references: [ "https://www.suse.com/security/cve/CVE-2021-20269.html", "https://access.redhat.com/errata/RHSA-2021:4404", "https://security.archlinux.org/CVE-2021-20269", "https://linux.oracle.com/cve/CVE-2021-20269.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2021-20269", ], details: "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.", id: "GSD-2021-20269", modified: "2023-12-13T01:23:12.678839Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2021-20269", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "kexec-tools", version: { version_data: [ { version_affected: "=", version_value: "Fedora kexec-tools versions prior to 2.0.21-8 and RHEL kexec-tools versions prior to 2.0.20-47", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", 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.", }, ], }, problemtype: { problemtype_data: [ { description: [ { cweId: "CWE-276", lang: "eng", value: "CWE-276", }, ], }, ], }, references: { reference_data: [ { name: "https://bugzilla.redhat.com/show_bug.cgi?id=1934261", refsource: "MISC", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1934261", }, ], }, }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.0.21-8", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.0.20-47", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, ], }, cve: { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2021-20269", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { 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.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-276", }, ], }, ], }, references: { reference_data: [ { name: "https://bugzilla.redhat.com/show_bug.cgi?id=1934261", refsource: "MISC", tags: [ "Issue Tracking", "Third Party Advisory", ], url: "https://bugzilla.redhat.com/show_bug.cgi?id=1934261", }, ], }, }, impact: { baseMetricV2: { acInsufInfo: false, cvssV2: { 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, severity: "LOW", userInteractionRequired: false, }, baseMetricV3: { cvssV3: { 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, }, }, lastModifiedDate: "2023-02-12T22:15Z", publishedDate: "2022-03-10T17:41Z", }, }, }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.