Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Exploitability
AV:LAC:HPR:LUI:NScope
S:UImpact
C:NI:HA:H6.3/CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:HMemory Safety