gsd-2022-39188
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
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.
Aliases
Aliases
CVE-2022-39188


To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-39188",
    "description": "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.",
    "id": "GSD-2022-39188",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-39188.html",
      "https://ubuntu.com/security/CVE-2022-39188"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-39188"
      ],
      "details": "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.",
      "id": "GSD-2022-39188",
      "modified": "2023-12-13T01:19:20.649471Z",
      "schema_version": "1.4.0"
    }
  },
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    },
    "nvd.nist.gov": {
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            }
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.0,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-11-21T19:45Z",
      "publishedDate": "2022-09-02T05:15Z"
    }
  }
}


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