CVE-2026-68427

Summary

In the Linux kernel, the following vulnerability has been resolved:

gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings

__host1x_bo_unpin() drops the last reference to the mapping and frees it, so we can't dereference mapping afterwards. The cache itself outlives the mapping, so use the cache local variable instead.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < abeff53233b984571b87582bb588b4b38ef4ea50affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5b7e5f84d3d4cea10c3764d2da274810a7934228affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5f4de3c717d34a24d555af581947742980778c02affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b773faa32b0a98c3eb2b50d96de631681e5d1157affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 266cddf7bd0f6c79b6c0633aef742a22bf70265baffected
LinuxLinux0 < 6.6.148affected
LinuxLinux0 < 6.12.101affected
LinuxLinux0 < 6.18.42affected
LinuxLinux0 < 7.1.6affected
LinuxLinux6.6.148 <= 6.6.*unaffected
LinuxLinux6.12.101 <= 6.12.*unaffected
LinuxLinux6.18.42 <= 6.18.*unaffected
LinuxLinux7.1.6 <= 7.1.*unaffected
LinuxLinux7.2-rc4 <= *unaffected

Weaknesses

References