An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.
4.13.0-16.195.3.0-18.195.3.0-24.265.4.0-100.1135.4.0-104.1185.4.0-105.1195.4.0-107.1215.4.0-109.1235.4.0-110.1245.4.0-113.1275.4.0-117.132+59 more5.4.0-136.1533.11.0-12.195.13.0-19.195.15.0-17.175.15.0-18.185.15.0-22.225.15.0-23.235.15.0-25.255.15.0-27.285.15.0-30.315.15.0-33.345.15.0-35.36+12 more5.15.0-57.634.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-2.166.5.0-9.96.11.0-8.86.11.0-1004.45.13.0-1005.65.15.0-1002.45.15.0-1003.55.15.0-1004.65.15.0-1005.75.15.0-1008.105.15.0-1009.115.15.0-1011.145.15.0-1013.175.15.0-1014.18+8 more5.15.0-1027.316.5.0-1008.8Exploitability
AV:LAC:HPR:LUI:NScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H