CVE:CVE-2011-1011
CNNVD:CNNVD-201102-338
Red Hat Enterprise Linux（RHEL）是美国红帽（Red Hat）公司维护和发布的一套面向企业用户的Linux操作系统。
Fedora 是一个开放的、创新的、前瞻性的操作系统和平台，基于Linux。
Red Hat Enterprise Linux (RHEL) 6及之前版本，以及Fedora 14及之前版本的policycoreutils 2.0.83版本的某些Red Hat包中的seunshare的sandbox/seunshare.c中的seunshare_mount函数在/tmp的顶端安装了新的目录(没有分配根所有权和向新目录添加sticky bit权限)。本地用户可以通过运行依赖/tmp的setuid应用程序替换或删除任意/tmp文件，并进而导致拒绝服务或可能获取特权。
solution:Upgrade redhat policycoreutils to a higher version than 2.0.83,1.0,1.1,1.2,1.4,1.6,1.8,1.10,1.12,1.14,1.16,1.18,1.20,1.21.1,1.21.2,1.21.3,1.21.4,1.21.5,1.21.6,1.21.7,1.21.8,1.21.9,1.21.10,1.21.11,1.21.12,1.21.13,1.21.14,1.21.15,1.21.16,1.21.17,1.21.18,1.21.19,1.21.20,1.21.21,1.21.22,1.22,1.23.1,1.23.2,1.23.3,1.23.4,1.23.5,1.23.6,1.23.7,1.23.8,1.23.9,1.23.10,1.23.11,1.24,1.25.1,1.25.2,1.25.3,1.25.4,1.25.5,1.25.6,1.25.7,1.25.8,1.25.9,1.26,1.27.1,1.27.2,1.27.3,1.27.4,1.27.5,1.27.6,1.27.7,1.27.8,1.27.9,1.27.10,1.27.11,1.27.12,1.27.13,1.27.14,1.27.15,1.27.16,1.27.17,1.27.18,1.27.19,1.27.20,1.27.21,1.27.22,1.27.23,1.27.24,1.27.25,1.27.26,1.27.27,1.27.28,1.27.29,1.27.30,1.27.31,1.27.32,1.27.33,1.27.34,1.27.35,1.27.36,1.27.37,1.28,1.29.1,1.29.2,1.29.3,1.29.4,1.29.5,1.29.6,1.29.7,1.29.8,1.29.9,1.29.10,1.29.11,1.29.12,1.29.13,1.29.14,1.29.15,1.29.16,1.29.17,1.29.18,1.29.19,1.29.20,1.29.21,1.29.22,1.29.23,1.29.24,1.29.25,1.29.26,1.29.27,1.29.28,1.30,1.30.1,1.30.2,1.30.3,1.30.4,1.30.5,1.30.6,1.30.7,1.30.8,1.30.9,1.30.10,1.30.11,1.30.12,1.30.13,1.30.14,1.30.15,1.30.16,1.30.17,1.30.18,1.30.19,1.30.20,1.30.21,1.30.22,1.30.23,1.30.24,1.30.25,1.30.26,1.30.27,1.30.28,1.30.29,1.30.30,1.30.31,1.32,1.33.1,1.33.2,1.33.3,1.33.4,1.33.5,1.33.6,1.33.7,1.33.8,1.33.9,1.33.10,1.33.11,1.33.12,1.33.13,1.33.14,1.33.15,1.33.16,1.34.0,1.34.1,2.0.0,2.0.1,2.0.2,2.0.3,2.0.4,2.0.5,2.0.6,2.0.7,2.0.8,2.0.9,2.0.10,2.0.11,2.0.12,2.0.13,2.0.14,2.0.15,2.0.16,2.0.17,2.0.18,2.0.19,2.0.20,2.0.21,2.0.22,2.0.23,2.0.24,2.0.25,2.0.26,2.0.27,2.0.28,2.0.29,2.0.30,2.0.31,2.0.32,2.0.33,2.0.34,2.0.35,2.0.36,2.0.37,2.0.38,2.0.39,2.0.40,2.0.41,2.0.42,2.0.43,2.0.44,2.0.45,2.0.46,2.0.47,2.0.48,2.0.49,2.0.50,2.0.51,2.0.52,2.0.53,2.0.54,2.0.55,2.0.56,2.0.57,2.0.58,2.0.59,2.0.60,2.0.61,2.0.62,2.0.63,2.0.64,2.0.65,2.0.66,2.0.67,2.0.68,2.0.69,2.0.70,2.0.71,2.0.72,2.0.73,2.0.74,2.0.75,2.0.76,2.0.77,2.0.78,2.0.79,2.0.80,2.0.81,2.0.82,and avoid the version (,2.0.83],1.0,1.1,1.2,1.4,1.6,1.8,1.10,1.12,1.14,1.16,1.18,1.20,1.21.1,1.21.2,1.21.3,1.21.4,1.21.5,1.21.6,1.21.7,1.21.8,1.21.9,1.21.10,1.21.11,1.21.12,1.21.13,1.21.14,1.21.15,1.21.16,1.21.17,1.21.18,1.21.19,1.21.20,1.21.21,1.21.22,1.22,1.23.1,1.23.2,1.23.3,1.23.4,1.23.5,1.23.6,1.23.7,1.23.8,1.23.9,1.23.10,1.23.11,1.24,1.25.1,1.25.2,1.25.3,1.25.4,1.25.5,1.25.6,1.25.7,1.25.8,1.25.9,1.26,1.27.1,1.27.2,1.27.3,1.27.4,1.27.5,1.27.6,1.27.7,1.27.8,1.27.9,1.27.10,1.27.11,1.27.12,1.27.13,1.27.14,1.27.15,1.27.16,1.27.17,1.27.18,1.27.19,1.27.20,1.27.21,1.27.22,1.27.23,1.27.24,1.27.25,1.27.26,1.27.27,1.27.28,1.27.29,1.27.30,1.27.31,1.27.32,1.27.33,1.27.34,1.27.35,1.27.36,1.27.37,1.28,1.29.1,1.29.2,1.29.3,1.29.4,1.29.5,1.29.6,1.29.7,1.29.8,1.29.9,1.29.10,1.29.11,1.29.12,1.29.13,1.29.14,1.29.15,1.29.16,1.29.17,1.29.18,1.29.19,1.29.20,1.29.21,1.29.22,1.29.23,1.29.24,1.29.25,1.29.26,1.29.27,1.29.28,1.30,1.30.1,1.30.2,1.30.3,1.30.4,1.30.5,1.30.6,1.30.7,1.30.8,1.30.9,1.30.10,1.30.11,1.30.12,1.30.13,1.30.14,1.30.15,1.30.16,1.30.17,1.30.18,1.30.19,1.30.20,1.30.21,1.30.22,1.30.23,1.30.24,1.30.25,1.30.26,1.30.27,1.30.28,1.30.29,1.30.30,1.30.31,1.32,1.33.1,1.33.2,1.33.3,1.33.4,1.33.5,1.33.6,1.33.7,1.33.8,1.33.9,1.33.10,1.33.11,1.33.12,1.33.13,1.33.14,1.33.15,1.33.16,1.34.0,1.34.1,2.0.0,2.0.1,2.0.2,2.0.3,2.0.4,2.0.5,2.0.6,2.0.7,2.0.8,2.0.9,2.0.10,2.0.11,2.0.12,2.0.13,2.0.14,2.0.15,2.0.16,2.0.17,2.0.18,2.0.19,2.0.20,2.0.21,2.0.22,2.0.23,2.0.24,2.0.25,2.0.26,2.0.27,2.0.28,2.0.29,2.0.30,2.0.31,2.0.32,2.0.33,2.0.34,2.0.35,2.0.36,2.0.37,2.0.38,2.0.39,2.0.40,2.0.41,2.0.42,2.0.43,2.0.44,2.0.45,2.0.46,2.0.47,2.0.48,2.0.49,2.0.50,2.0.51,2.0.52,2.0.53,2.0.54,2.0.55,2.0.56,2.0.57,2.0.58,2.0.59,2.0.60,2.0.61,2.0.62,2.0.63,2.0.64,2.0.65,2.0.66,2.0.67,2.0.68,2.0.69,2.0.70,2.0.71,2.0.72,2.0.73,2.0.74,2.0.75,2.0.76,2.0.77,2.0.78,2.0.79,2.0.80,2.0.81,2.0.82; Upgrade redhat enterprise_linux to a higher version than 3,4,5,6.0,and avoid the version 3,4,5,6.0; Upgrade redhat fedora to a higher version than 6,7,8,9,10,12,13,14,and avoid the version 6,7,8,9,10,12,13,14