CVE编号
CVE-2016-0723利用情况
暂无补丁情况
官方补丁披露时间
2016-02-08漏洞描述
Linux kernel是一个开源，自由的操作系统核心，最初由Linus Torvalds完成。Linux kernel 4.4.1及之前版本的drivers/tty/tty_io.c文件中的‘tty_ioctl’函数中存在竞争条件漏洞。本地攻击者可借助TIOCSETD的并发调用利用该漏洞造成拒绝服务（释放后重用和系统崩溃）。
解决建议
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：https://security-tracker.debian.org/tracker/CVE-2016-0723
参考链接 |
|
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c1... | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html | |
| http://source.android.com/security/bulletin/2016-07-01.html | |
| http://www.debian.org/security/2016/dsa-3448 | |
| http://www.debian.org/security/2016/dsa-3503 | |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html | |
| http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html | |
| http://www.securityfocus.com/bid/82950 | |
| http://www.securitytracker.com/id/1035695 | |
| http://www.ubuntu.com/usn/USN-2929-1 | |
| http://www.ubuntu.com/usn/USN-2929-2 | |
| http://www.ubuntu.com/usn/USN-2930-1 | |
| http://www.ubuntu.com/usn/USN-2930-2 | |
| http://www.ubuntu.com/usn/USN-2930-3 | |
| http://www.ubuntu.com/usn/USN-2932-1 | |
| http://www.ubuntu.com/usn/USN-2948-1 | |
| http://www.ubuntu.com/usn/USN-2948-2 | |
| http://www.ubuntu.com/usn/USN-2967-1 | |
| http://www.ubuntu.com/usn/USN-2967-2 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1296253 | |
| https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439 | |
| https://security-tracker.debian.org/tracker/CVE-2016-0723 | |
| https://support.f5.com/csp/article/K43650115 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 4.3.3-6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 4.4.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-default-extra | * |
Up to (excluding) 4.4.21-69 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04_lts | linux | * |
Up to (excluding) 3.2.0-102.142 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.13.0-83.127 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-7.22 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
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