cnvd-2015-06787
Vulnerability from cnvd
Title: Linux kernel IPC对象实现竞争条件漏洞
Description:
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。
Linux kernel 4.2.3及之前版本的IPC对象实现过程中存在竞争条件漏洞。由于‘ipc_addid’函数将初始化不完全的对象（uid/gid未初始化）添加到共享对象列表中。本地攻击者可利用该漏洞获取权限。
Severity: 中
Patch Name: Linux kernel IPC对象实现竞争条件漏洞的补丁
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。
Linux kernel 4.2.3及之前版本的IPC对象实现过程中存在竞争条件漏洞。由于‘ipc_addid’函数将初始化不完全的对象（uid/gid未初始化）添加到共享对象列表中。本地攻击者可利用该漏洞获取权限。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:
目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： https://www.kernel.org/
Reference: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a532277938798b53178d5a66af6e2915cb27cf https://bugzilla.redhat.com/show_bug.cgi?id=1268270
Impacted products
| Name | Linux Kernel <=4.2.3 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2015-7613"
}
},
"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\nLinux kernel 4.2.3\u53ca\u4e4b\u524d\u7248\u672c\u7684IPC\u5bf9\u8c61\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u3002\u7531\u4e8e\u2018ipc_addid\u2019\u51fd\u6570\u5c06\u521d\u59cb\u5316\u4e0d\u5b8c\u5168\u7684\u5bf9\u8c61\uff08uid/gid\u672a\u521d\u59cb\u5316\uff09\u6dfb\u52a0\u5230\u5171\u4eab\u5bf9\u8c61\u5217\u8868\u4e2d\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\u3002",
"discovererName": "Adam Mari\u0161",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\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-2015-06787",
"openTime": "2015-10-23",
"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\nLinux kernel 4.2.3\u53ca\u4e4b\u524d\u7248\u672c\u7684IPC\u5bf9\u8c61\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u3002\u7531\u4e8e\u2018ipc_addid\u2019\u51fd\u6570\u5c06\u521d\u59cb\u5316\u4e0d\u5b8c\u5168\u7684\u5bf9\u8c61\uff08uid/gid\u672a\u521d\u59cb\u5316\uff09\u6dfb\u52a0\u5230\u5171\u4eab\u5bf9\u8c61\u5217\u8868\u4e2d\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\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 IPC\u5bf9\u8c61\u5b9e\u73b0\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Linux Kernel \u003c=4.2.3"
},
"referenceLink": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a532277938798b53178d5a66af6e2915cb27cf\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1268270",
"serverity": "\u4e2d",
"submitTime": "2015-10-22",
"title": "Linux kernel IPC\u5bf9\u8c61\u5b9e\u73b0\u7ade\u4e89\u6761\u4ef6\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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