CVE-2022-49991
High
Description
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJun 18, 2025
First seenJun 18, 2025
How to fix
Update
- linux linux_kernel5.15.65, 5.19.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.13 ≤ v < 5.15.65, 5.16 ≤ v < 5.19.6, 6.0 | 5.15.65, 5.19.6 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.