gsd-2020-28974
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-28974",
"description": "A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.",
"id": "GSD-2020-28974",
"references": [
"https://www.suse.com/security/cve/CVE-2020-28974.html",
"https://access.redhat.com/errata/RHSA-2021:1739",
"https://access.redhat.com/errata/RHSA-2021:1578",
"https://ubuntu.com/security/CVE-2020-28974",
"https://advisories.mageia.org/CVE-2020-28974.html",
"https://security.archlinux.org/CVE-2020-28974",
"https://alas.aws.amazon.com/cve/html/CVE-2020-28974.html",
"https://linux.oracle.com/cve/CVE-2020-28974.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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"id": "GSD-2020-28974",
"modified": "2023-12-13T01:22:01.874928Z",
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}
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 8.5,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "PHYSICAL",
"availabilityImpact": "HIGH",
"baseScore": 5.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.3,
"impactScore": 4.7
}
},
"lastModifiedDate": "2021-01-27T19:44Z",
"publishedDate": "2020-11-20T18:15Z"
}
}
}
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- 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.