gsd-2020-36557
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-36557",
"description": "A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.",
"id": "GSD-2020-36557",
"references": [
"https://www.suse.com/security/cve/CVE-2020-36557.html",
"https://access.redhat.com/errata/RHSA-2021:1578"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.",
"id": "GSD-2020-36557",
"modified": "2023-12-13T01:21:55.503295Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2020-36557",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
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}
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"references": {
"reference_data": [
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"name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca4463bf8438b403596edd0ec961ca0d4fbe0220",
"refsource": "MISC",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca4463bf8438b403596edd0ec961ca0d4fbe0220"
},
{
"name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.2",
"refsource": "MISC",
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.2"
}
]
}
},
"nvd.nist.gov": {
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{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.6.2",
"vulnerable": true
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"problemtype": {
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"value": "CWE-362"
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"value": "CWE-416"
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},
"references": {
"reference_data": [
{
"name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.2",
"refsource": "MISC",
"tags": [
"Patch",
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"Vendor Advisory"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.2"
},
{
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},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.4,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-07-27T19:24Z",
"publishedDate": "2022-07-21T04:15Z"
}
}
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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