An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmapmappingrange 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.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39188.json",
"cna_assigner": "mitre"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.19"
}
],
"source": "DESCRIPTION"
}