cnvd-2022-13356
Vulnerability from cnvd

Title: Linux kernel信息泄露漏洞（CNVD-2022-13356）

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存在信息泄露漏洞，该漏洞源于在处理内部数据结构时，在 Linux 内核的 eBPF 验证程序中发现了一个漏洞。 内部存储器位置可以返回到用户空间。 有权将eBPF代码插入内核的本地攻击者可以使用它来泄漏内部内核内存详细信息，从而破坏针对内核的一些漏洞利用缓解措施。 目前没有详细的漏洞细节提供。

Severity: 低

Patch Name: Linux kernel信息泄露漏洞（CNVD-2022-13356）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存在信息泄露漏洞，该漏洞源于在处理内部数据结构时，在 Linux 内核的 eBPF 验证程序中发现了一个漏洞。 内部存储器位置可以返回到用户空间。 有权将eBPF代码插入内核的本地攻击者可以使用它来泄漏内部内核内存详细信息，从而破坏针对内核的一些漏洞利用缓解措施。 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://bugzilla.redhat.com/show_bug.cgi?id=2041547

Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-0264

Impacted products
Name
Linux Linux kernel <5.16
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-0264",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-0264"
    }
  },
  "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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5904\u7406\u5185\u90e8\u6570\u636e\u7ed3\u6784\u65f6\uff0c\u5728 Linux \u5185\u6838\u7684 eBPF \u9a8c\u8bc1\u7a0b\u5e8f\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u6f0f\u6d1e\u3002 \u5185\u90e8\u5b58\u50a8\u5668\u4f4d\u7f6e\u53ef\u4ee5\u8fd4\u56de\u5230\u7528\u6237\u7a7a\u95f4\u3002 \u6709\u6743\u5c06eBPF\u4ee3\u7801\u63d2\u5165\u5185\u6838\u7684\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u6cc4\u6f0f\u5185\u90e8\u5185\u6838\u5185\u5b58\u8be6\u7ec6\u4fe1\u606f\uff0c\u4ece\u800c\u7834\u574f\u9488\u5bf9\u5185\u6838\u7684\u4e00\u4e9b\u6f0f\u6d1e\u5229\u7528\u7f13\u89e3\u63aa\u65bd\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://bugzilla.redhat.com/show_bug.cgi?id=2041547",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-13356",
  "openTime": "2022-02-22",
  "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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5904\u7406\u5185\u90e8\u6570\u636e\u7ed3\u6784\u65f6\uff0c\u5728 Linux \u5185\u6838\u7684 eBPF \u9a8c\u8bc1\u7a0b\u5e8f\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u6f0f\u6d1e\u3002 \u5185\u90e8\u5b58\u50a8\u5668\u4f4d\u7f6e\u53ef\u4ee5\u8fd4\u56de\u5230\u7528\u6237\u7a7a\u95f4\u3002 \u6709\u6743\u5c06eBPF\u4ee3\u7801\u63d2\u5165\u5185\u6838\u7684\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u6cc4\u6f0f\u5185\u90e8\u5185\u6838\u5185\u5b58\u8be6\u7ec6\u4fe1\u606f\uff0c\u4ece\u800c\u7834\u574f\u9488\u5bf9\u5185\u6838\u7684\u4e00\u4e9b\u6f0f\u6d1e\u5229\u7528\u7f13\u89e3\u63aa\u65bd\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2022-13356\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c5.16"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-0264",
  "serverity": "\u4f4e",
  "submitTime": "2022-02-10",
  "title": "Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2022-13356\uff09"
}


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