cnvd-2019-38259
Vulnerability from cnvd

Title: Linux kernel信息泄露漏洞（CNVD-2019-38259）

Description:

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。

Linux kernel 4.19.13及更早版本存在信息泄露漏洞。攻击者可利用该漏洞观察同一系统上其他进程的页面缓存访问模式，从而可嗅探机密信息。

Severity: 低

Patch Name: Linux kernel信息泄露漏洞（CNVD-2019-38259）的补丁

Patch Description:

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。

Linux kernel 4.19.13及更早版本存在信息泄露漏洞。攻击者可利用该漏洞观察同一系统上其他进程的页面缓存访问模式，从而可嗅探机密信息。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:

厂商已发布漏洞修复程序，请及时关注更新： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=574823bfab82d9d8fa47f422778043fbb4b4f50e

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-5489

Impacted products
Name
Linux Linux kernel <=4.19.13
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-5489"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\n\nLinux kernel 4.19.13\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89c2\u5bdf\u540c\u4e00\u7cfb\u7edf\u4e0a\u5176\u4ed6\u8fdb\u7a0b\u7684\u9875\u9762\u7f13\u5b58\u8bbf\u95ee\u6a21\u5f0f\uff0c\u4ece\u800c\u53ef\u55c5\u63a2\u673a\u5bc6\u4fe1\u606f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=574823bfab82d9d8fa47f422778043fbb4b4f50e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-38259",
  "openTime": "2019-10-30",
  "patchDescription": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nLinux kernel 4.19.13\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89c2\u5bdf\u540c\u4e00\u7cfb\u7edf\u4e0a\u5176\u4ed6\u8fdb\u7a0b\u7684\u9875\u9762\u7f13\u5b58\u8bbf\u95ee\u6a21\u5f0f\uff0c\u4ece\u800c\u53ef\u55c5\u63a2\u673a\u5bc6\u4fe1\u606f\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-2019-38259\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c=4.19.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-5489",
  "serverity": "\u4f4e",
  "submitTime": "2019-01-08",
  "title": "Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2019-38259\uff09"
}


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