cnvd-2023-40574
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞(CNVD-2023-40574)
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中存在拒绝服务漏洞。该漏洞是由于Linux kernel在处理RPL协议时,由于缺乏对用户提供的数据的正确处理而导致的,这可能会导致断言失败。这可能允许未经身份验证的远程攻击者在系统上创建拒绝服务条件。攻击者可利用该漏洞导致拒绝服务攻击。
Severity
高
VLAI Severity ?
Patch Name
Linux kernel拒绝服务漏洞(CNVD-2023-40574)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中存在拒绝服务漏洞。该漏洞是由于Linux kernel在处理RPL协议时,由于缺乏对用户提供的数据的正确处理而导致的,这可能会导致断言失败。这可能允许未经身份验证的远程攻击者在系统上创建拒绝服务条件。攻击者可利用该漏洞导致拒绝服务攻击。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://bugzilla.redhat.com/show_bug.cgi?id=2196292
Reference
https://nvd.nist.gov/vuln/detail/CVE-2023-2156
Impacted products
| Name | Linux Linux kernel |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2023-2156",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-2156"
}
},
"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\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8eLinux kernel\u5728\u5904\u7406RPL\u534f\u8bae\u65f6\uff0c\u7531\u4e8e\u7f3a\u4e4f\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7684\u6b63\u786e\u5904\u7406\u800c\u5bfc\u81f4\u7684\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u65ad\u8a00\u5931\u8d25\u3002\u8fd9\u53ef\u80fd\u5141\u8bb8\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u5728\u7cfb\u7edf\u4e0a\u521b\u5efa\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0:\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2196292",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2023-40574",
"openTime": "2023-05-19",
"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\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8eLinux kernel\u5728\u5904\u7406RPL\u534f\u8bae\u65f6\uff0c\u7531\u4e8e\u7f3a\u4e4f\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7684\u6b63\u786e\u5904\u7406\u800c\u5bfc\u81f4\u7684\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u65ad\u8a00\u5931\u8d25\u3002\u8fd9\u53ef\u80fd\u5141\u8bb8\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u5728\u7cfb\u7edf\u4e0a\u521b\u5efa\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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-2023-40574\uff09\u7684\u8865\u4e01",
"products": {
"product": "Linux Linux kernel"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2023-2156",
"serverity": "\u9ad8",
"submitTime": "2023-05-12",
"title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2023-40574\uff09"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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