cnvd-2023-71723
Vulnerability from cnvd

Title: Linux Kernel拒绝服务漏洞（CNVD-2023-71723）

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存在拒绝服务漏洞，该漏洞源于vmxnet3中的网络子组件中的drivers/net/vmxnet3/vmxnet3_drv.c中的vmxnet3_rq_cleanup存在NULL指针取消引用缺陷。攻击者可利用该漏洞导致拒绝服务。

Severity: 中

Patch Name: Linux Kernel拒绝服务漏洞（CNVD-2023-71723）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存在拒绝服务漏洞，该漏洞源于vmxnet3中的网络子组件中的drivers/net/vmxnet3/vmxnet3_drv.c中的vmxnet3_rq_cleanup存在NULL指针取消引用缺陷。攻击者可利用该漏洞导致拒绝服务。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://github.com/torvalds/linux/commit/edf410cb74dc612fd47ef5be319c5a0bcd6e6ccd

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=2219268

Impacted products
Name
Linux Linux kernel <5.18
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-4459",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-4459"
    }
  },
  "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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8evmxnet3\u4e2d\u7684\u7f51\u7edc\u5b50\u7ec4\u4ef6\u4e2d\u7684drivers/net/vmxnet3/vmxnet3_drv.c\u4e2d\u7684vmxnet3_rq_cleanup\u5b58\u5728NULL\u6307\u9488\u53d6\u6d88\u5f15\u7528\u7f3a\u9677\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/torvalds/linux/commit/edf410cb74dc612fd47ef5be319c5a0bcd6e6ccd",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-71723",
  "openTime": "2023-09-26",
  "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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8evmxnet3\u4e2d\u7684\u7f51\u7edc\u5b50\u7ec4\u4ef6\u4e2d\u7684drivers/net/vmxnet3/vmxnet3_drv.c\u4e2d\u7684vmxnet3_rq_cleanup\u5b58\u5728NULL\u6307\u9488\u53d6\u6d88\u5f15\u7528\u7f3a\u9677\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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-2023-71723\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c5.18"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2219268",
  "serverity": "\u4e2d",
  "submitTime": "2023-08-24",
  "title": "Linux Kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2023-71723\uff09"
}


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