Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.
4.4.0-24.43~14.04.14.4.0-24.434.4.0-1012.164.4.0-1015.185.4.0-1063.66+cvm2.25.4.0-1063.66+cvm3.25.4.0-1064.67+cvm1.15.4.0-1065.68+cvm2.15.4.0-1067.70+cvm1.15.4.0-1068.71+cvm1.15.4.0-1069.72+cvm1.15.4.0-1070.73+cvm1.15.4.0-1072.75+cvm1.15.4.0-1073.76+cvm1.1+16 more5.4.0-1033.355.4.0-1035.375.4.0-1036.385.4.0-1037.395.4.0-1039.415.4.0-1041.435.4.0-1042.445.4.0-1043.455.4.0-1044.465.4.0-1046.48+41 more5.4.0-1008.95.4.0-1009.105.4.0-1010.115.4.0-1011.125.4.0-1012.135.4.0-1013.145.4.0-1014.155.4.0-1015.165.4.0-1016.175.4.0-1018.19+68 more5.15.0-1003.5~20.04.25.15.0-1005.7~20.04.15.15.0-1007.10~20.04.15.15.0-1008.12~20.04.15.15.0-1011.15~20.04.25.15.0-1012.16~20.04.15.15.0-1013.17~20.04.15.15.0-1015.19~20.04.15.15.0-1016.21~20.04.15.15.0-1017.22~20.04.1+35 more5.3.0-1007.85.3.0-1014.165.3.0-1015.175.3.0-1017.195.4.0-1004.45.4.0-1006.65.4.0-24.285.4.0-26.305.4.0-27.315.4.0-28.325.4.0-30.345.4.0-31.355.4.0-33.375.4.0-34.385.4.0-36.415.4.0-37.42+2 moreExploitability
AV:LAC:HPR:NUI:NScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H