The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does not verify socket existence, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a dumpit operation.
4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-11.26+17 more4.4.0-28.474.4.0-1002.24.4.0-1001.104.4.0-1003.34.8.0-36.36~16.04.13.19.0-18.18~14.04.13.19.0-20.20~14.04.13.19.0-21.21~14.04.13.19.0-22.22~14.04.13.19.0-23.24~14.04.13.19.0-25.26~14.04.13.19.0-26.28~14.04.13.19.0-28.30~14.04.13.19.0-30.33~14.04.13.19.0-30.34~14.04.1+17 more3.19.0-64.72~14.04.14.2.0-18.22~14.04.14.2.0-19.23~14.04.14.2.0-21.25~14.04.14.2.0-22.27~14.04.14.2.0-23.28~14.04.14.2.0-25.30~14.04.14.2.0-27.32~14.04.14.2.0-30.35~14.04.14.2.0-30.36~14.04.14.2.0-34.39~14.04.1+4 more4.2.0-41.48~14.04.14.4.0-13.29~14.04.14.4.0-14.30~14.04.24.4.0-15.31~14.04.14.4.0-18.34~14.04.14.4.0-21.37~14.04.14.4.0-22.39~14.04.14.4.0-22.40~14.04.14.4.0-24.43~14.04.14.4.0-28.47~14.04.14.2.0-1013.194.2.0-1014.214.3.0-1006.64.4.0-1003.44.4.0-1004.54.4.0-1009.104.4.0-1010.124.4.0-1010.134.4.0-1012.164.4.0-1016.224.4.0-1012.124.4.0-1013.144.4.0-1013.154.4.0-1015.184.4.0-1019.22Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:HA:HCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H