Tracker / CVE-2022-50285
CVE-2022-50285
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages The h->*_huge_pages counters are protected by the hugetlb_lock, but alloc_huge_page has a corner case where it can decrement the counter outside of the lock. This could lead to a corrupted value of h->resv_huge_pages, which we have observed on our systems. Take the hugetlb_lock before decrementing h->resv_huge_pages to avoid a potential race.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 4.10 → 4.14.298 |
| linux | linux_kernel · 4.15 → 4.19.264 |
| linux | linux_kernel · 4.20 → 5.4.223 |
| linux | linux_kernel · 4.3.6 → 4.4 |
| linux | linux_kernel · 4.4.1 → 4.9.332 |
| linux | linux_kernel · 5.11 → 5.15.76 |
| linux | linux_kernel · 5.16 → 6.0.6 |
| linux | linux_kernel · 5.5 → 5.10.153 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.