cnvd-2025-05376
Vulnerability from cnvd
Title
Linux kernel锁定不当漏洞（ CNVD-2025-05376）
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存在锁定不当漏洞，该漏洞源于arena_map_free在64k页内核上可能导致软锁。攻击者可利用该漏洞进行进一步恶意操作。
Severity
低
Patch Name
Linux kernel锁定不当漏洞的补丁
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存在锁定不当漏洞，该漏洞源于arena_map_free在64k页内核上可能导致软锁。攻击者可利用该漏洞进行进一步恶意操作。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://git.kernel.org/stable/c/517e8a7835e8cfb398a0aeb0133de50e31cae32b

Reference
https://nvd.nist.gov/vuln/detail/CVE-2025-21851
Impacted products
Name
['Linux Linux kernel 6.14', 'Linux Linux kernel >=6.13，<6.13.5', 'Linux Linux kernel >=6.9，<6.12.17', 'Linux Linux kernel 6.9']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-21851",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-21851"
    }
  },
  "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\u9501\u5b9a\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8earena_map_free\u572864k\u9875\u5185\u6838\u4e0a\u53ef\u80fd\u5bfc\u81f4\u8f6f\u9501\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8fdb\u4e00\u6b65\u6076\u610f\u64cd\u4f5c\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://git.kernel.org/stable/c/517e8a7835e8cfb398a0aeb0133de50e31cae32b",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-05376",
  "openTime": "2025-03-19",
  "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\u9501\u5b9a\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8earena_map_free\u572864k\u9875\u5185\u6838\u4e0a\u53ef\u80fd\u5bfc\u81f4\u8f6f\u9501\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8fdb\u4e00\u6b65\u6076\u610f\u64cd\u4f5c\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\u9501\u5b9a\u4e0d\u5f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Linux Linux kernel 6.14",
      "Linux Linux kernel \u003e=6.13\uff0c\u003c6.13.5",
      "Linux Linux kernel \u003e=6.9\uff0c\u003c6.12.17",
      "Linux Linux kernel 6.9"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-21851",
  "serverity": "\u4f4e",
  "submitTime": "2025-03-18",
  "title": "Linux kernel\u9501\u5b9a\u4e0d\u5f53\u6f0f\u6d1e\uff08\t  CNVD-2025-05376\uff09"
}


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