CVE-2026-98729
x86/mm: Don't apply va_align to hugetlb mappings on AMD F15h
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: x86/mm: Don't apply va_align to hugetlb mappings on AMD F15h get_align_mask() returns huge_page_mask_align() for hugetlbfs, but get_align_bits() adds va_align.bits regardless, so vm_unmapped_area() returns an address off the huge page boundary and __unmap_hugepage_range() hits BUG_ON(start & ~huge_page_mask(h)) at teardown. This can be triggered on Carrizo and FX-8370E, both hstates. Pass the file to get_align_bits() and skip the randomisation for hugetlbfs. [ bp: Massage commit message. ]
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 18, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
1317a5e7f7b1336eac4097f0ef4f5cd7ae72f1d0 < fe23680e6f1d52b8cc45d77bf7c54249508a81c7 1317a5e7f7b1336eac4097f0ef4f5cd7ae72f1d0 < b46b2e2de47ca9449532b0a7110ed99f79061d6e 1317a5e7f7b1336eac4097f0ef4f5cd7ae72f1d0 < d2457a7e2727dc747a61a50d65c2f259afce8c45
Linux / Linux
6.13