{ "id": "CVE-2021-33656", "sourceIdentifier": "securities@openeuler.org", "published": "2022-07-18T15:15:08.043", "lastModified": "2022-10-29T02:52:00.693", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds." }, { "lang": "es", "value": "Cuando es establecida la fuente con datos maliciosos por ioctl cmd PIO_FONT, el kernel escribir\u00e1 memoria fuera de l\u00edmites" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.9, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] }, { "source": "securities@openeuler.org", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:huawei:openeuler:20.03:-:*:*:lts:*:*:*", "matchCriteriaId": "14A33B05-1F3B-457A-9136-3CAD433FDEBA" }, { "vulnerable": true, "criteria": "cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*", "matchCriteriaId": "78AA9487-C85C-4F4F-9429-E0496080F7B5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*", "matchCriteriaId": "2E9E5CF1-3FD7-413A-BD29-0EBA0E1E6766" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.127", "matchCriteriaId": "0F459694-1B3F-472F-88F7-6E97AD3958DD" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2022/07/19/3", "source": "securities@openeuler.org", "tags": [ "Mailing List", "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", "source": "securities@openeuler.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html", "source": "securities@openeuler.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel", "source": "securities@openeuler.org", "tags": [ "Third Party Advisory" ] } ] }