cnvd-2022-68559
Vulnerability from cnvd
Title
Linux kernel竞争条件问题漏洞
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存在竞争条件问题漏洞，该漏洞源于btrfs中未能正确的锁定操作，攻击者可利用该漏洞导致用户崩溃内核或死锁系统。
Severity
低
Patch Name
Linux kernel竞争条件问题漏洞的补丁
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存在竞争条件问题漏洞，该漏洞源于btrfs中未能正确的锁定操作，攻击者可利用该漏洞导致用户崩溃内核或死锁系统。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.suse.com/support/update/announcement/2022/suse-su-20220080-1/

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-4149
Impacted products
Name
Linux Kernel
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4149"
    }
  },
  "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\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ebtrfs\u4e2d\u672a\u80fd\u6b63\u786e\u7684\u9501\u5b9a\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7528\u6237\u5d29\u6e83\u5185\u6838\u6216\u6b7b\u9501\u7cfb\u7edf\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.suse.com/support/update/announcement/2022/suse-su-20220080-1/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-68559",
  "openTime": "2022-10-13",
  "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\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ebtrfs\u4e2d\u672a\u80fd\u6b63\u786e\u7684\u9501\u5b9a\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7528\u6237\u5d29\u6e83\u5185\u6838\u6216\u6b7b\u9501\u7cfb\u7edf\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\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-4149",
  "serverity": "\u4f4e",
  "submitTime": "2022-01-18",
  "title": "Linux kernel\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e"
}


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