A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.
5.13.0-19.195.15.0-17.176.5.0-9.93.11.0-12.196.11.0-8.84.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-2.164.13.0-16.194.13.0-17.204.13.0-25.294.13.0-32.354.15.0-10.114.15.0-101.1024.15.0-106.1074.15.0-108.1094.15.0-109.1104.15.0-111.112+80 more4.15.0-173.1825.3.0-18.195.3.0-24.265.4.0-100.1135.4.0-104.1185.4.0-18.225.4.0-21.255.4.0-24.285.4.0-25.295.4.0-26.305.4.0-28.32+43 more5.4.0-105.1194.4.0-1001.105.13.0-1005.65.15.0-1002.44.4.0-1002.2Exploitability
AV:LAC:HPR:LUI:NScope
S:UImpact
C:HI:HA:HCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H