低危 Linux kernel 'key_reject_and_link()'拒绝服务漏洞

CVE编号

CVE-2016-4470

利用情况

暂无

补丁情况

官方补丁

披露时间

2016-06-27
漏洞描述
Linux kernel是一款开源的操作系统。

Linux kernel的‘key_reject_and_link()’函数未能正确初始化变量,允许本地攻击者可利用该漏洞进行释放后使用攻击,使系统崩溃。
解决建议
用户可参考如下厂商提供的安全补丁以修复该漏洞:
http://www.kernel.org/
参考链接
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=383...
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
http://rhn.redhat.com/errata/RHSA-2016-1532.html
http://rhn.redhat.com/errata/RHSA-2016-1539.html
http://rhn.redhat.com/errata/RHSA-2016-1541.html
http://rhn.redhat.com/errata/RHSA-2016-1657.html
http://rhn.redhat.com/errata/RHSA-2016-2006.html
http://rhn.redhat.com/errata/RHSA-2016-2074.html
http://rhn.redhat.com/errata/RHSA-2016-2076.html
http://rhn.redhat.com/errata/RHSA-2016-2128.html
http://rhn.redhat.com/errata/RHSA-2016-2133.html
http://www.debian.org/security/2016/dsa-3607
http://www.openwall.com/lists/oss-security/2016/06/15/11
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securitytracker.com/id/1036763
http://www.ubuntu.com/usn/USN-3049-1
http://www.ubuntu.com/usn/USN-3050-1
http://www.ubuntu.com/usn/USN-3051-1
http://www.ubuntu.com/usn/USN-3052-1
http://www.ubuntu.com/usn/USN-3053-1
http://www.ubuntu.com/usn/USN-3054-1
http://www.ubuntu.com/usn/USN-3055-1
http://www.ubuntu.com/usn/USN-3056-1
http://www.ubuntu.com/usn/USN-3057-1
https://bugzilla.redhat.com/show_bug.cgi?id=1341716
https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a
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
应用 redhat enterprise_mrg 2.0 -
运行在以下环境
系统 debian DPKG * Up to
(excluding)
4.6.2-2
运行在以下环境
系统 linux linux_kernel * Up to
(including)
4.6.3
运行在以下环境
系统 novell suse_linux_enterprise_real_time_extension 12.0 -
运行在以下环境
系统 oracle linux 5.0 -
运行在以下环境
系统 oracle linux 6 -
运行在以下环境
系统 oracle linux 7 -
运行在以下环境
系统 oracle vm_server 3.3 -
运行在以下环境
系统 oracle vm_server 3.4 -
运行在以下环境
系统 redhat enterprise_linux 6.0 -
运行在以下环境
系统 redhat enterprise_linux_desktop 7.0 -
运行在以下环境
系统 redhat enterprise_linux_for_real_time 7.0 -
运行在以下环境
系统 redhat enterprise_linux_hpc_node 7.0 -
运行在以下环境
系统 redhat enterprise_linux_hpc_node_eus 7.0 -
运行在以下环境
系统 redhat enterprise_linux_server 7.0 -
运行在以下环境
系统 redhat enterprise_linux_server_aus 7.2 -
运行在以下环境
系统 redhat enterprise_linux_server_eus 7.2 -
运行在以下环境
系统 redhat enterprise_linux_workstation 7.0 -
运行在以下环境
系统 redhat_6 kernel * Up to
(excluding)
0:2.6.32-642.6.1.el6
运行在以下环境
系统 redhat_7 kernel * Up to
(excluding)
0:3.10.0-327.28.2.el7
运行在以下环境
系统 suse_12 kernel-default-extra * Up to
(excluding)
4.4.21-69
运行在以下环境
系统 ubuntu_12.04.5_lts linux * Up to
(excluding)
3.2.0-107.148
运行在以下环境
系统 ubuntu_14.04.6_lts linux * Up to
(excluding)
3.13.0-93.140
运行在以下环境
系统 ubuntu_16.04.7_lts linux * Up to
(excluding)
4.4.0-34.53
阿里云评分
2.6
  • 攻击路径
    本地
  • 攻击复杂度
    复杂
  • 权限要求
    普通权限
  • 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
CWE-ID 漏洞类型
NVD-CWE-Other
阿里云安全产品覆盖情况