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
{
"GSD": {
"alias": "CVE-2021-3609",
"description": ".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.",
"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"
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"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
| Author | Source | Type | Date |
|---|
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.