CVE-2020-35501 - Vulnerability Details - OpenCVE

A flaw was found in the Linux kernels implementation of audit rules, where a syscall can unexpectedly not be correctly not be logged by the audit subsystem

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00088.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel
Redhat	Enterprise Linux

Configuration 1 [-]

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1908577
https://nvd.nist.gov/vuln/detail/CVE-2020-35501
https://www.cve.org/CVERecord?id=CVE-2020-35501

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-03-30T00:00:00

Updated: 2024-08-04T17:02:08.109Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2020-35501

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-03-30T16:15:08.673

Modified: 2024-11-21T05:27:26.220

Link: CVE-2020-35501

Redhat

Severity : Low

Publid Date: 2021-03-05T00:40:00Z

Links: CVE-2020-35501 - Bugzilla

OpenCVE Enrichment

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C75006C6-1F2B-445B-A5DE-64343A1B0A48", "versionEndIncluding": "5.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernels implementation of audit rules, where a syscall can unexpectedly not be correctly not be logged by the audit subsystem"}, {"lang": "es", "value": "Se ha encontrado un fallo en la implementaci\u00f3n de reglas de auditor\u00eda en los kernels de Linux, donde una llamada al sistema puede no ser registrada correctamente por el subsistema de auditor\u00eda"}], "id": "CVE-2020-35501", "lastModified": "2024-11-21T05:27:26.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-30T16:15:08.673", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1908577"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1908577"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Felix Kosterhon (SECUINFRA GmbH) for reporting this issue.", "bugzilla": {"description": "kernel: audit not logging access to syscall open_by_handle_at for users with CAP_DAC_READ_SEARCH capability", "id": "1908577", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1908577"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-863", "details": ["A flaw was found in the Linux kernels implementation of audit rules, where a syscall can unexpectedly not be correctly not be logged by the audit subsystem", "A flaw was found in the Linux kernels implementation of audit rules, where a syscall can unexpectedly not be correctly not be logged by the audit subsystem"], "mitigation": {"lang": "en:us", "value": "This syscall can still be audited by using the 'syscall auditing feature' by passing open_by_handle_at to it in the rule. Existing auditing ruleset requirements generally use this mechanism."}, "name": "CVE-2020-35501", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-03-05T00:40:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-35501\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-35501"], "threat_severity": "Low"}