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" } } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.