cnvd-2016-02765
Vulnerability from cnvd
Title: Linux kernel-table levels拒绝服务漏洞
Description:
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。
s390平台上的Linux kernel 4.5之前版本的fork实现过程中存在拒绝服务漏洞，该漏洞源于程序未能正确处理4个页表级别。本地攻击者可借助特制的应用程序利用该漏洞造成拒绝服务（系统崩溃）。
Severity: 低
Patch Name: Linux kernel-table levels拒绝服务漏洞的补丁
Patch Description:
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。
s390平台上的Linux kernel 4.5之前版本的fork实现过程中存在拒绝服务漏洞，该漏洞源于程序未能正确处理4个页表级别。本地攻击者可借助特制的应用程序利用该漏洞造成拒绝服务（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:
用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1
Reference: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1
Impacted products
| Name | Linux Kernel <4.5 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-2143"
}
},
"description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002 \r\n\r\ns390\u5e73\u53f0\u4e0a\u7684Linux kernel 4.5\u4e4b\u524d\u7248\u672c\u7684fork\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u74064\u4e2a\u9875\u8868\u7ea7\u522b\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7cfb\u7edf\u5d29\u6e83\uff09\u3002",
"discovererName": "Adam Mari\u0026#353;",
"formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-02765",
"openTime": "2016-05-05",
"patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002 \r\n\r\ns390\u5e73\u53f0\u4e0a\u7684Linux kernel 4.5\u4e4b\u524d\u7248\u672c\u7684fork\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u74064\u4e2a\u9875\u8868\u7ea7\u522b\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\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-table levels\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Linux Kernel \u003c4.5"
},
"referenceLink": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1",
"serverity": "\u4f4e",
"submitTime": "2016-04-28",
"title": "Linux kernel-table levels\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}
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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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