gsd-2021-33656
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-33656",
"description": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.",
"id": "GSD-2021-33656",
"references": [
"https://www.suse.com/security/cve/CVE-2021-33656.html",
"https://ubuntu.com/security/CVE-2021-33656"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-33656"
],
"details": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.",
"id": "GSD-2021-33656",
"modified": "2023-12-13T01:23:18.146756Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "securities@openeuler.org",
"ID": "CVE-2021-33656",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "openEuler:kernel",
"version": {
"version_data": [
{
"version_value": "\u003c5.10.127"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-787 Out-of-bounds Write"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch",
"refsource": "MISC",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch"
},
{
"name": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel",
"refsource": "MISC",
"url": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel"
},
{
"name": "[oss-security] 20220719 CVE-2021-33656: Linux kernel: When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.(\u003c5.10.127)",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/07/19/3"
},
{
"name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:huawei:openeuler:20.03:-:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.10.127",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "securities@openeuler.org",
"ID": "CVE-2021-33656"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch"
},
{
"name": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel"
},
{
"name": "[oss-security] 20220719 CVE-2021-33656: Linux kernel: When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.(\u003c5.10.127)",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2022/07/19/3"
},
{
"name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "PHYSICAL",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.9,
"impactScore": 5.9
}
},
"lastModifiedDate": "2022-10-29T02:52Z",
"publishedDate": "2022-07-18T15:15Z"
}
}
}
Loading...
Loading...
- 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.