CNVD-2023-05410

Vulnerability from cnvd - Published: 2023-01-31
VLAI Severity ?
Title
Linux kernel拒绝服务漏洞（CNVD-2023-05410）
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在6.1.6之前的版本中存在拒绝服务攻击漏洞。在受影响的Linux内核版本中，流量控制子系统中的NULL指针解引用错误允许无特权用户通过使用“tc qdisc”和“tc class”命令设置的精心设计的流量控制配置触发拒绝服务(系统崩溃)。这会影响net/ schedule /sch_api.c中的qdisc_graft。攻击者可利用该漏洞对目标有针对性的发起攻击，危害站点系统安全。
Severity
中
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2023-05410）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在6.1.6之前的版本中存在拒绝服务攻击漏洞。在受影响的Linux内核版本中，流量控制子系统中的NULL指针解引用错误允许无特权用户通过使用“tc qdisc”和“tc class”命令设置的精心设计的流量控制配置触发拒绝服务(系统崩溃)。这会影响net/ schedule /sch_api.c中的qdisc_graft。攻击者可利用该漏洞对目标有针对性的发起攻击，危害站点系统安全。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

厂商已发布了漏洞修复程序，请及时关注更新: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.6

Reference
https://nvd.nist.gov/vuln/detail/CVE-2022-47929
Impacted products
Name
Linux Linux kernel <6.1.6
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-47929",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-47929"
    }
  },
  "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\u57286.1.6\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u6f0f\u6d1e\u3002\u5728\u53d7\u5f71\u54cd\u7684Linux\u5185\u6838\u7248\u672c\u4e2d\uff0c\u6d41\u91cf\u63a7\u5236\u5b50\u7cfb\u7edf\u4e2d\u7684NULL\u6307\u9488\u89e3\u5f15\u7528\u9519\u8bef\u5141\u8bb8\u65e0\u7279\u6743\u7528\u6237\u901a\u8fc7\u4f7f\u7528\u201ctc qdisc\u201d\u548c\u201ctc class\u201d\u547d\u4ee4\u8bbe\u7f6e\u7684\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u6d41\u91cf\u63a7\u5236\u914d\u7f6e\u89e6\u53d1\u62d2\u7edd\u670d\u52a1(\u7cfb\u7edf\u5d29\u6e83)\u3002\u8fd9\u4f1a\u5f71\u54cdnet/ schedule /sch_api.c\u4e2d\u7684qdisc_graft\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9\u76ee\u6807\u6709\u9488\u5bf9\u6027\u7684\u53d1\u8d77\u653b\u51fb\uff0c\u5371\u5bb3\u7ad9\u70b9\u7cfb\u7edf\u5b89\u5168\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0:\r\nhttps://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-05410",
  "openTime": "2023-01-31",
  "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\u57286.1.6\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u6f0f\u6d1e\u3002\u5728\u53d7\u5f71\u54cd\u7684Linux\u5185\u6838\u7248\u672c\u4e2d\uff0c\u6d41\u91cf\u63a7\u5236\u5b50\u7cfb\u7edf\u4e2d\u7684NULL\u6307\u9488\u89e3\u5f15\u7528\u9519\u8bef\u5141\u8bb8\u65e0\u7279\u6743\u7528\u6237\u901a\u8fc7\u4f7f\u7528\u201ctc qdisc\u201d\u548c\u201ctc class\u201d\u547d\u4ee4\u8bbe\u7f6e\u7684\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u6d41\u91cf\u63a7\u5236\u914d\u7f6e\u89e6\u53d1\u62d2\u7edd\u670d\u52a1(\u7cfb\u7edf\u5d29\u6e83)\u3002\u8fd9\u4f1a\u5f71\u54cdnet/ schedule /sch_api.c\u4e2d\u7684qdisc_graft\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9\u76ee\u6807\u6709\u9488\u5bf9\u6027\u7684\u53d1\u8d77\u653b\u51fb\uff0c\u5371\u5bb3\u7ad9\u70b9\u7cfb\u7edf\u5b89\u5168\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2023-05410\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c6.1.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-47929",
  "serverity": "\u4e2d",
  "submitTime": "2023-01-30",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2023-05410\uff09"
}


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