gsd-2020-27835
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-27835", "description": "A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.", "id": "GSD-2020-27835", "references": [ "https://www.suse.com/security/cve/CVE-2020-27835.html", "https://access.redhat.com/errata/RHSA-2021:1739", "https://access.redhat.com/errata/RHSA-2021:1578", "https://ubuntu.com/security/CVE-2020-27835", "https://advisories.mageia.org/CVE-2020-27835.html", "https://security.archlinux.org/CVE-2020-27835", "https://linux.oracle.com/cve/CVE-2020-27835.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-27835" ], "details": "A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.", "id": "GSD-2020-27835", "modified": "2023-12-13T01:22:11.231250Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-27835", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "kernel", "version": { "version_data": [ { "version_value": "kernel versions prior to 5.10-rc6" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-416" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:linux:infiniband_hfi1_driver:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "5.9", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-27835" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-416" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709", "refsource": "MISC", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 0.8, "impactScore": 3.6 } }, "lastModifiedDate": "2021-01-14T15:12Z", "publishedDate": "2021-01-07T18:15Z" } } }
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Sightings
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Nomenclature
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- 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.