cnvd-2023-62923
Vulnerability from cnvd

Title: Linux kernel内存错误引用漏洞（CNVD-2023-62923）

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存在内存错误引用漏洞，该漏洞源于用户在没有NFT_SET_EXT_KEY_END的情况下使用元素触发nft_pipapo_remove函数，本地攻击者可利用该漏洞导致系统崩溃或提升其在系统上的权限。

Severity: 中

Patch Name: Linux kernel内存错误引用漏洞（CNVD-2023-62923）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存在内存错误引用漏洞，该漏洞源于用户在没有NFT_SET_EXT_KEY_END的情况下使用元素触发nft_pipapo_remove函数，本地攻击者可利用该漏洞导致系统崩溃或提升其在系统上的权限。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://www.kernel.org/category/releases.html

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=2225275

Impacted products
Name
Linux Linux kernel <6.5
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-4004",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-4004"
    }
  },
  "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\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7528\u6237\u5728\u6ca1\u6709NFT_SET_EXT_KEY_END\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u5143\u7d20\u89e6\u53d1nft_pipapo_remove\u51fd\u6570\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u6216\u63d0\u5347\u5176\u5728\u7cfb\u7edf\u4e0a\u7684\u6743\u9650\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://www.kernel.org/category/releases.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-62923",
  "openTime": "2023-08-11",
  "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\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7528\u6237\u5728\u6ca1\u6709NFT_SET_EXT_KEY_END\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u5143\u7d20\u89e6\u53d1nft_pipapo_remove\u51fd\u6570\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u6216\u63d0\u5347\u5176\u5728\u7cfb\u7edf\u4e0a\u7684\u6743\u9650\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\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2023-62923\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c6.5"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2225275",
  "serverity": "\u4e2d",
  "submitTime": "2023-08-03",
  "title": "Linux kernel\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2023-62923\uff09"
}


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