A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
4.13.0-16.194.13.0-17.204.13.0-25.294.13.0-32.354.15.0-10.114.15.0-101.1024.15.0-106.1074.15.0-108.1094.15.0-109.1104.15.0-111.112+106 more5.3.0-18.195.3.0-24.265.4.0-100.1135.4.0-104.1185.4.0-105.1195.4.0-107.1215.4.0-109.1235.4.0-110.1245.4.0-113.1275.4.0-117.132+71 more5.4.0-156.1735.13.0-19.195.15.0-17.175.15.0-18.185.15.0-22.225.15.0-23.235.15.0-25.255.15.0-27.285.15.0-30.315.15.0-33.345.15.0-35.36+10 more5.15.0-53.593.11.0-12.193.12.0-1.33.12.0-2.53.12.0-2.73.12.0-3.83.12.0-3.93.12.0-4.103.12.0-4.123.12.0-5.133.12.0-7.15+170 more4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-101.124+142 more4.4.0-242.2766.5.0-9.96.11.0-8.84.13.0-16.194.13.0-17.204.13.0-25.294.13.0-32.354.15.0-10.114.15.0-101.1024.15.0-106.1074.15.0-108.1094.15.0-109.1104.15.0-111.112+106 more4.15.0-214.2254.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-101.124+142 more5.13.0-1005.65.15.0-1002.45.15.0-1003.55.15.0-1004.65.15.0-1005.75.15.0-1008.105.15.0-1009.115.15.0-1011.145.15.0-1013.175.15.0-1014.18+6 more5.15.0-1023.27Exploitability
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