cnvd - cnvd-2022-77501

cnvd-2022-77501

Vulnerability from cnvd

Title: Linux kernel存在未明漏洞（CNVD-2022-77501）

Description:

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel存在安全漏洞，该漏洞源于在KVM的AMD嵌套虚拟化 (SVM) 中发现了一个缺陷。恶意L1来宾可能故意不拦截协作嵌套来宾(L2)的关闭，从而可能导致主机(L0)出现页面错误和内核恐慌。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: Linux kernel存在未明漏洞（CNVD-2022-77501）的补丁

Patch Description:

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel存在安全漏洞，该漏洞源于在KVM的AMD嵌套虚拟化 (SVM) 中发现了一个缺陷。恶意L1来宾可能故意不拦截协作嵌套来宾(L2)的关闭，从而可能导致主机(L0)出现页面错误和内核恐慌。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：
https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk@redhat.com/T/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-3344

Impacted products

Name
Linux Linux kernel <=6.0.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-3344",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-3344"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728KVM\u7684AMD\u5d4c\u5957\u865a\u62df\u5316 (SVM) \u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u7f3a\u9677\u3002\u6076\u610fL1\u6765\u5bbe\u53ef\u80fd\u6545\u610f\u4e0d\u62e6\u622a\u534f\u4f5c\u5d4c\u5957\u6765\u5bbe(L2)\u7684\u5173\u95ed\uff0c\u4ece\u800c\u53ef\u80fd\u5bfc\u81f4\u4e3b\u673a(L0)\u51fa\u73b0\u9875\u9762\u9519\u8bef\u548c\u5185\u6838\u6050\u614c\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a  \r\nhttps://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk@redhat.com/T/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-77501",
  "openTime": "2022-11-16",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728KVM\u7684AMD\u5d4c\u5957\u865a\u62df\u5316 (SVM) \u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u7f3a\u9677\u3002\u6076\u610fL1\u6765\u5bbe\u53ef\u80fd\u6545\u610f\u4e0d\u62e6\u622a\u534f\u4f5c\u5d4c\u5957\u6765\u5bbe(L2)\u7684\u5173\u95ed\uff0c\u4ece\u800c\u53ef\u80fd\u5bfc\u81f4\u4e3b\u673a(L0)\u51fa\u73b0\u9875\u9762\u9519\u8bef\u548c\u5185\u6838\u6050\u614c\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2022-77501\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c=6.0.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-3344",
  "serverity": "\u4e2d",
  "submitTime": "2022-11-14",
  "title": "Linux kernel\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2022-77501\uff09"
}

CVE-2022-3344 (GCVE-0-2022-3344)

Vulnerability from cvelistv5

Published

2022-10-24 00:00

Modified

2025-05-07 14:17

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-440

Summary

A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).

References

▼	URL	Tags
	https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/
	https://bugzilla.redhat.com/show_bug.cgi?id=2130278

Impacted products

	Vendor	Product	Version
	n/a	Linux kernel	Version: Affected versions <= 6.0.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:07:06.537Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2130278"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-3344",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-07T14:16:33.272610Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-07T14:17:21.111Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Linux kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Affected versions \u003c= 6.0.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the KVM\u0027s AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-440",
              "description": "CWE-440",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-24T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/"
        },
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2130278"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2022-3344",
    "datePublished": "2022-10-24T00:00:00.000Z",
    "dateReserved": "2022-09-27T00:00:00.000Z",
    "dateUpdated": "2025-05-07T14:17:21.111Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

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.

Action not permitted