cnvd-2022-84161
Vulnerability from cnvd

Title: QEMU拒绝服务漏洞(CNVD-2022-84161)

Description:

QEMU是法国法布里斯-贝拉(Fabrice Bellard)个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。

QEMU 6.2.0及之前版本存在信息泄露漏洞,该漏洞源于在 vhost-vsock 设备中无效元素在释放内存之前没有从 virtqueue 中分离出来,攻击者可利用该漏洞导致内存泄漏和其他意外结果。

Severity:

Formal description:

厂商尚未提供漏洞修复方案,请关注厂商主页更新: https://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf

Reference: https://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf

Impacted products
Name
Qemu QEMU <=6.2.0
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-26354",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-26354"
    }
  },
  "description": "QEMU\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\n\nQEMU 6.2.0\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728 vhost-vsock \u8bbe\u5907\u4e2d\u65e0\u6548\u5143\u7d20\u5728\u91ca\u653e\u5185\u5b58\u4e4b\u524d\u6ca1\u6709\u4ece virtqueue \u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u548c\u5176\u4ed6\u610f\u5916\u7ed3\u679c\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-84161",
  "openTime": "2022-12-02",
  "products": {
    "product": "Qemu QEMU \u003c=6.2.0"
  },
  "referenceLink": "https://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf",
  "serverity": "\u4f4e",
  "submitTime": "2022-03-18",
  "title": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-84161\uff09"
}


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