gsd-2021-3609
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.
Aliases
Aliases
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This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.", "id": "GSD-2021-3609", "references": [ "https://www.suse.com/security/cve/CVE-2021-3609.html", "https://www.debian.org/security/2021/dsa-4941", "https://access.redhat.com/errata/RHSA-2021:3444", "https://access.redhat.com/errata/RHSA-2021:3442", "https://access.redhat.com/errata/RHSA-2021:3380", "https://access.redhat.com/errata/RHSA-2021:3375", "https://access.redhat.com/errata/RHSA-2021:3363", "https://access.redhat.com/errata/RHSA-2021:3235", "https://access.redhat.com/errata/RHSA-2021:3088", "https://access.redhat.com/errata/RHSA-2021:3057", "https://access.redhat.com/errata/RHSA-2021:3044", "https://ubuntu.com/security/CVE-2021-3609", "https://advisories.mageia.org/CVE-2021-3609.html", "https://security.archlinux.org/CVE-2021-3609", "https://alas.aws.amazon.com/cve/html/CVE-2021-3609.html", "https://linux.oracle.com/cve/CVE-2021-3609.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-3609" ], "details": ".A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. 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"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2021-3609" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": ".A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-362" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1971651", "refsource": "MISC", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1971651" }, { "name": "https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463" }, { "name": "https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md", "refsource": "MISC", "tags": [ "Exploit", "Technical Description", "Third Party Advisory" ], "url": "https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md" }, { "name": "https://www.openwall.com/lists/oss-security/2021/06/19/1", "refsource": "MISC", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://www.openwall.com/lists/oss-security/2021/06/19/1" }, { "name": "https://security.netapp.com/advisory/ntap-20220419-0004/", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20220419-0004/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } }, "lastModifiedDate": "2023-08-11T19:44Z", "publishedDate": "2022-03-03T19:15Z" } } }
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Sightings
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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.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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.