CVE:CVE-2011-4325
CNNVD:CNNVD-201201-396
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel 2.6.31-rc6之前版本的NFS implementation中存在安全漏洞，该漏洞源于在调用某些函数时没有正确的初始化某些数据。本地用户可利用该漏洞导致拒绝服务（空指针解引用或者O_DIRECT oops）。正如使用来自LTP的diotest4所证明的。
solution:Upgrade linux linux_kernel to a higher version than *:rc3,2.6.0,2.6.1,2.6.2,2.6.3,2.6.4,2.6.5,2.6.6,2.6.7,2.6.8,2.6.8.1,2.6.9,2.6.10,2.6.11,2.6.11.1,2.6.11.2,2.6.11.3,2.6.11.4,2.6.11.5,2.6.11.6,2.6.11.7,2.6.11.8,2.6.11.9,2.6.11.10,2.6.11.11,2.6.11.12,2.6.12,2.6.12.1,2.6.12.2,2.6.12.3,2.6.12.4,2.6.12.5,2.6.12.6,2.6.13,2.6.13.1,2.6.13.2,2.6.13.3,2.6.13.4,2.6.13.5,2.6.14,2.6.14.1,2.6.14.2,2.6.14.3,2.6.14.4,2.6.14.5,2.6.14.6,2.6.14.7,2.6.15,2.6.15.1,2.6.15.2,2.6.15.3,2.6.15.4,2.6.15.5,2.6.15.6,2.6.15.7,2.6.16,2.6.16.1,2.6.16.2,2.6.16.3,2.6.16.4,2.6.16.5,2.6.16.6,2.6.16.7,2.6.16.8,2.6.16.9,2.6.16.10,2.6.16.11,2.6.16.12,2.6.16.13,2.6.16.14,2.6.16.15,2.6.16.16,2.6.16.17,2.6.16.18,2.6.16.19,2.6.16.20,2.6.16.21,2.6.16.22,2.6.16.23,2.6.16.24,2.6.16.25,2.6.16.26,2.6.16.27,2.6.16.28,2.6.16.29,2.6.16.30,2.6.16.31,2.6.16.32,2.6.16.33,2.6.16.34,2.6.16.35,2.6.16.36,2.6.16.37,2.6.16.38,2.6.16.39,2.6.16.40,2.6.16.41,2.6.16.42,2.6.16.43,2.6.16.44,2.6.16.45,2.6.16.46,2.6.16.47,2.6.16.48,2.6.16.49,2.6.16.50,2.6.16.51,2.6.16.52,2.6.16.53,2.6.16.54,2.6.16.55,2.6.16.56,2.6.16.57,2.6.16.58,2.6.16.59,2.6.16.60,2.6.16.61,2.6.16.62,2.6.17,2.6.17.1,2.6.17.2,2.6.17.3,2.6.17.4,2.6.17.5,2.6.17.6,2.6.17.7,2.6.17.8,2.6.17.9,2.6.17.10,2.6.17.11,2.6.17.12,2.6.17.13,2.6.17.14,2.6.18,2.6.18.1,2.6.18.2,2.6.18.3,2.6.18.4,2.6.18.5,2.6.18.6,2.6.18.7,2.6.18.8,2.6.19,2.6.19.1,2.6.19.2,2.6.19.3,2.6.19.4,2.6.19.5,2.6.19.6,2.6.19.7,2.6.20,2.6.20.1,2.6.20.2,2.6.20.3,2.6.20.4,2.6.20.5,2.6.20.6,2.6.20.7,2.6.20.8,2.6.20.9,2.6.20.10,2.6.20.11,2.6.20.12,2.6.20.13,2.6.20.14,2.6.20.15,2.6.20.16,2.6.20.17,2.6.20.18,2.6.20.19,2.6.20.20,2.6.20.21,2.6.21,2.6.21.1,2.6.21.2,2.6.21.3,2.6.21.4,2.6.21.5,2.6.21.6,2.6.21.7,2.6.22,2.6.22.1,2.6.22.2,2.6.22.3,2.6.22.4,2.6.22.5,2.6.22.6,2.6.22.7,2.6.22.8,2.6.22.9,2.6.22.10,2.6.22.11,2.6.22.12,2.6.22.13,2.6.22.14,2.6.22.15,2.6.22.16,2.6.22.17,2.6.22.18,2.6.22.19,2.6.23,2.6.23.1,2.6.23.2,2.6.23.3,2.6.23.4,2.6.23.5,2.6.23.6,2.6.23.7,2.6.23.8,2.6.23.9,2.6.23.10,2.6.23.11,2.6.23.12,2.6.23.13,2.6.23.14,2.6.23.15,2.6.23.16,2.6.23.17,2.6.24,2.6.24.1,2.6.24.2,2.6.24.3,2.6.24.4,2.6.24.5,2.6.24.6,2.6.24.7,2.6.25,2.6.25.1,2.6.25.2,2.6.25.3,2.6.25.4,2.6.25.5,2.6.25.6,2.6.25.7,2.6.25.8,2.6.25.9,2.6.25.10,2.6.25.11,2.6.25.12,2.6.25.13,2.6.25.14,2.6.25.15,2.6.25.16,2.6.25.17,2.6.25.18,2.6.25.19,2.6.25.20,2.6.26,2.6.26.1,2.6.26.2,2.6.26.3,2.6.26.4,2.6.26.5,2.6.26.6,2.6.26.7,2.6.26.8,2.6.27,2.6.27.1,2.6.27.2,2.6.27.3,2.6.27.4,2.6.27.5,2.6.27.6,2.6.27.7,2.6.27.8,2.6.27.9,2.6.27.10,2.6.27.11,2.6.27.12,2.6.27.13,2.6.27.14,2.6.27.15,2.6.27.16,2.6.27.17,2.6.27.18,2.6.27.19,2.6.27.20,2.6.27.21,2.6.27.22,2.6.27.23,2.6.27.24,2.6.27.25,2.6.27.26,2.6.27.27,2.6.27.28,2.6.27.29,2.6.27.30,2.6.27.31,2.6.28,2.6.28.1,2.6.28.2,2.6.28.3,2.6.28.4,2.6.28.5,2.6.28.6,2.6.28.7,2.6.28.8,2.6.28.9,2.6.28.10,2.6.29,2.6.29.1,2.6.29.2,2.6.29.3,2.6.29.4,2.6.29.5,2.6.29.6,2.6.30,2.6.30.1,2.6.30.2,2.6.30.3,2.6.30.4,2.6.30.5,2.6.31:rc1,2.6.31:rc2,and avoid the version *:rc3,2.6.0,2.6.1,2.6.2,2.6.3,2.6.4,2.6.5,2.6.6,2.6.7,2.6.8,2.6.8.1,2.6.9,2.6.10,2.6.11,2.6.11.1,2.6.11.2,2.6.11.3,2.6.11.4,2.6.11.5,2.6.11.6,2.6.11.7,2.6.11.8,2.6.11.9,2.6.11.10,2.6.11.11,2.6.11.12,2.6.12,2.6.12.1,2.6.12.2,2.6.12.3,2.6.12.4,2.6.12.5,2.6.12.6,2.6.13,2.6.13.1,2.6.13.2,2.6.13.3,2.6.13.4,2.6.13.5,2.6.14,2.6.14.1,2.6.14.2,2.6.14.3,2.6.14.4,2.6.14.5,2.6.14.6,2.6.14.7,2.6.15,2.6.15.1,2.6.15.2,2.6.15.3,2.6.15.4,2.6.15.5,2.6.15.6,2.6.15.7,2.6.16,2.6.16.1,2.6.16.2,2.6.16.3,2.6.16.4,2.6.16.5,2.6.16.6,2.6.16.7,2.6.16.8,2.6.16.9,2.6.16.10,2.6.16.11,2.6.16.12,2.6.16.13,2.6.16.14,2.6.16.15,2.6.16.16,2.6.16.17,2.6.16.18,2.6.16.19,2.6.16.20,2.6.16.21,2.6.16.22,2.6.16.23,2.6.16.24,2.6.16.25,2.6.16.26,2.6.16.27,2.6.16.28,2.6.16.29,2.6.16.30,2.6.16.31,2.6.16.32,2.6.16.33,2.6.16.34,2.6.16.35,2.6.16.36,2.6.16.37,2.6.16.38,2.6.16.39,2.6.16.40,2.6.16.41,2.6.16.42,2.6.16.43,2.6.16.44,2.6.16.45,2.6.16.46,2.6.16.47,2.6.16.48,2.6.16.49,2.6.16.50,2.6.16.51,2.6.16.52,2.6.16.53,2.6.16.54,2.6.16.55,2.6.16.56,2.6.16.57,2.6.16.58,2.6.16.59,2.6.16.60,2.6.16.61,2.6.16.62,2.6.17,2.6.17.1,2.6.17.2,2.6.17.3,2.6.17.4,2.6.17.5,2.6.17.6,2.6.17.7,2.6.17.8,2.6.17.9,2.6.17.10,2.6.17.11,2.6.17.12,2.6.17.13,2.6.17.14,2.6.18,2.6.18.1,2.6.18.2,2.6.18.3,2.6.18.4,2.6.18.5,2.6.18.6,2.6.18.7,2.6.18.8,2.6.19,2.6.19.1,2.6.19.2,2.6.19.3,2.6.19.4,2.6.19.5,2.6.19.6,2.6.19.7,2.6.20,2.6.20.1,2.6.20.2,2.6.20.3,2.6.20.4,2.6.20.5,2.6.20.6,2.6.20.7,2.6.20.8,2.6.20.9,2.6.20.10,2.6.20.11,2.6.20.12,2.6.20.13,2.6.20.14,2.6.20.15,2.6.20.16,2.6.20.17,2.6.20.18,2.6.20.19,2.6.20.20,2.6.20.21,2.6.21,2.6.21.1,2.6.21.2,2.6.21.3,2.6.21.4,2.6.21.5,2.6.21.6,2.6.21.7,2.6.22,2.6.22.1,2.6.22.2,2.6.22.3,2.6.22.4,2.6.22.5,2.6.22.6,2.6.22.7,2.6.22.8,2.6.22.9,2.6.22.10,2.6.22.11,2.6.22.12,2.6.22.13,2.6.22.14,2.6.22.15,2.6.22.16,2.6.22.17,2.6.22.18,2.6.22.19,2.6.23,2.6.23.1,2.6.23.2,2.6.23.3,2.6.23.4,2.6.23.5,2.6.23.6,2.6.23.7,2.6.23.8,2.6.23.9,2.6.23.10,2.6.23.11,2.6.23.12,2.6.23.13,2.6.23.14,2.6.23.15,2.6.23.16,2.6.23.17,2.6.24,2.6.24.1,2.6.24.2,2.6.24.3,2.6.24.4,2.6.24.5,2.6.24.6,2.6.24.7,2.6.25,2.6.25.1,2.6.25.2,2.6.25.3,2.6.25.4,2.6.25.5,2.6.25.6,2.6.25.7,2.6.25.8,2.6.25.9,2.6.25.10,2.6.25.11,2.6.25.12,2.6.25.13,2.6.25.14,2.6.25.15,2.6.25.16,2.6.25.17,2.6.25.18,2.6.25.19,2.6.25.20,2.6.26,2.6.26.1,2.6.26.2,2.6.26.3,2.6.26.4,2.6.26.5,2.6.26.6,2.6.26.7,2.6.26.8,2.6.27,2.6.27.1,2.6.27.2,2.6.27.3,2.6.27.4,2.6.27.5,2.6.27.6,2.6.27.7,2.6.27.8,2.6.27.9,2.6.27.10,2.6.27.11,2.6.27.12,2.6.27.13,2.6.27.14,2.6.27.15,2.6.27.16,2.6.27.17,2.6.27.18,2.6.27.19,2.6.27.20,2.6.27.21,2.6.27.22,2.6.27.23,2.6.27.24,2.6.27.25,2.6.27.26,2.6.27.27,2.6.27.28,2.6.27.29,2.6.27.30,2.6.27.31,2.6.28,2.6.28.1,2.6.28.2,2.6.28.3,2.6.28.4,2.6.28.5,2.6.28.6,2.6.28.7,2.6.28.8,2.6.28.9,2.6.28.10,2.6.29,2.6.29.1,2.6.29.2,2.6.29.3,2.6.29.4,2.6.29.5,2.6.29.6,2.6.30,2.6.30.1,2.6.30.2,2.6.30.3,2.6.30.4,2.6.30.5,2.6.31:rc1,2.6.31:rc2