{ "id": "CVE-2022-39188", "sourceIdentifier": "cve@mitre.org", "published": "2022-09-02T05:15:07.650", "lastModified": "2023-11-07T03:50:20.460", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs." }, { "lang": "es", "value": "Se ha detectado un problema en el archivo include/asm-generic/tlb.h en el kernel de Linux versiones anteriores a 5.19. Debido a una condici\u00f3n de carrera (unmap_mapping_range frente a munmap), un controlador de dispositivo puede liberar una p\u00e1gina mientras todav\u00eda presenta entradas de TLB antiguas. Esto s\u00f3lo ocurre en situaciones con VM_PFNMAP VMAs" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.0, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-362" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.19", "matchCriteriaId": "E74E9AF8-BDF5-4917-A9CA-0AAD8E13149B" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED" } ] } ] } ], "references": [ { "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2329", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19", "source": "cve@mitre.org", "tags": [ "Patch", "Release Notes", "Vendor Advisory" ] }, { "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/", "source": "cve@mitre.org" }, { "url": "https://www.debian.org/security/2022/dsa-5257", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }