cnvd-2025-04159
Vulnerability from cnvd
Title
Linux Kernel空指针解引用漏洞（CNVD-2025-04159）
Description
Linux Kernel是操作系统的核心部分，负责管理系统的资源。 Linux Kernel的zynq_clk_setup()函数中存在空指针解引用漏洞。该漏洞源于kmalloc()函数分配内存失败后，snprintf()函数仍然尝试向空地址写入数据。攻击者可以利用该漏洞导致系统崩溃或拒绝服务。
Severity
中
Patch Name
Linux Kernel空指针解引用漏洞（CNVD-2025-04159）的补丁
Patch Description
Linux Kernel是操作系统的核心部分，负责管理系统的资源。 Linux Kernel的zynq_clk_setup()函数中存在空指针解引用漏洞。该漏洞源于kmalloc()函数分配内存失败后，snprintf()函数仍然尝试向空地址写入数据。攻击者可以利用该漏洞导致系统崩溃或拒绝服务。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

厂商已提供漏洞修复方案，请关注厂商主页更新： https://www.kernel.org

Reference
https://git.kernel.org/stable/c/01511ac7be8e45f80e637f6bf61af2d3d2dee9db https://git.kernel.org/stable/c/8c4889a9ea861d7be37463c10846eb75e1b49c9d https://git.kernel.org/stable/c/0801c893fd48cdba66a3c8f44c3fe43cc67d3b85 https://git.kernel.org/stable/c/ca976c6a592f789700200069ef9052493c0b73d8 https://git.kernel.org/stable/c/58a946ab43501f2eba058d24d96af0ad1122475b https://git.kernel.org/stable/c/7938e9ce39d6779d2f85d822cc930f73420e54a6
Impacted products
Name
Linux Linux kernel
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-27037",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-27037"
    }
  },
  "description": "Linux Kernel\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u7684\u8d44\u6e90\u3002\n\nLinux Kernel\u7684zynq_clk_setup()\u51fd\u6570\u4e2d\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8ekmalloc()\u51fd\u6570\u5206\u914d\u5185\u5b58\u5931\u8d25\u540e\uff0csnprintf()\u51fd\u6570\u4ecd\u7136\u5c1d\u8bd5\u5411\u7a7a\u5730\u5740\u5199\u5165\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u6216\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.kernel.org",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-04159",
  "openTime": "2025-03-03",
  "patchDescription": "Linux Kernel\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u7684\u8d44\u6e90\u3002\r\n\r\nLinux Kernel\u7684zynq_clk_setup()\u51fd\u6570\u4e2d\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8ekmalloc()\u51fd\u6570\u5206\u914d\u5185\u5b58\u5931\u8d25\u540e\uff0csnprintf()\u51fd\u6570\u4ecd\u7136\u5c1d\u8bd5\u5411\u7a7a\u5730\u5740\u5199\u5165\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u6216\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2025-04159\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel"
  },
  "referenceLink": "https://git.kernel.org/stable/c/01511ac7be8e45f80e637f6bf61af2d3d2dee9db\r\nhttps://git.kernel.org/stable/c/8c4889a9ea861d7be37463c10846eb75e1b49c9d\r\nhttps://git.kernel.org/stable/c/0801c893fd48cdba66a3c8f44c3fe43cc67d3b85\r\nhttps://git.kernel.org/stable/c/ca976c6a592f789700200069ef9052493c0b73d8\r\nhttps://git.kernel.org/stable/c/58a946ab43501f2eba058d24d96af0ad1122475b\r\nhttps://git.kernel.org/stable/c/7938e9ce39d6779d2f85d822cc930f73420e54a6",
  "serverity": "\u4e2d",
  "submitTime": "2025-02-26",
  "title": "Linux Kernel\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2025-04159\uff09"
}


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