cnvd-2017-33483
Vulnerability from cnvd
Title: Linux kernel本地拒绝服务漏洞（CNVD-2017-33483）
Description:
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。
Linux kernel 4.13.11及之前的版本中的drivers/input/misc/ims-pcu.c文件的‘ims_pcu_get_cdc_union_desc’函数存在本地拒绝服务漏洞。本地攻击者可借助特制的USB设备利用该漏洞造成拒绝服务（‘ims_pcu_parse_cdc_data’函数越边界读取和系统崩溃）。
Severity: 中
Patch Name: Linux kernel本地拒绝服务漏洞（CNVD-2017-33483）的补丁
Patch Description:
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。
Linux kernel 4.13.11及之前的版本中的drivers/input/misc/ims-pcu.c文件的‘ims_pcu_get_cdc_union_desc’函数存在本地拒绝服务漏洞。本地攻击者可借助特制的USB设备利用该漏洞造成拒绝服务（‘ims_pcu_parse_cdc_data’函数越边界读取和系统崩溃）。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，详情请关注厂商主页： https://www.kernel.org/
Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-16645
Impacted products
| Name | Linux kernel <=4.13.11 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2017-16645"
}
},
"description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.13.11\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684drivers/input/misc/ims-pcu.c\u6587\u4ef6\u7684\u2018ims_pcu_get_cdc_union_desc\u2019\u51fd\u6570\u5b58\u5728\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684USB\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u2018ims_pcu_parse_cdc_data\u2019\u51fd\u6570\u8d8a\u8fb9\u754c\u8bfb\u53d6\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\u3002",
"discovererName": "Andrey Konovalov \u003candreyknvl@google.com\u003e",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.kernel.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2017-33483",
"openTime": "2017-11-10",
"patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.13.11\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684drivers/input/misc/ims-pcu.c\u6587\u4ef6\u7684\u2018ims_pcu_get_cdc_union_desc\u2019\u51fd\u6570\u5b58\u5728\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684USB\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u2018ims_pcu_parse_cdc_data\u2019\u51fd\u6570\u8d8a\u8fb9\u754c\u8bfb\u53d6\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\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\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-33483\uff09\u7684\u8865\u4e01",
"products": {
"product": "Linux kernel \u003c=4.13.11"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-16645",
"serverity": "\u4e2d",
"submitTime": "2017-11-08",
"title": "Linux kernel\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-33483\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.
- 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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