CVE-2026-64217
High
Description
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix overrun check in netfs_extract_user_iter() Fix netfs_extract_user_iter() so that if iov_iter_extract_pages() overfills pages[], then those pages don't get included in the iterator constructed at the end of the function. If there was an overfill, memory corruption has already happened.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 24, 2026
First seenJul 24, 2026
How to fix
Update
- linux linux_kernel6.6.142, 6.12.92, 6.18.34, 7.0.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.3 ≤ v < 6.6.142, 6.7 ≤ v < 6.12.92, 6.13 ≤ v < 6.18.34, 6.19 ≤ v < 7.0.11, 7.1 | 6.6.142, 6.12.92, 6.18.34, 7.0.11 |
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.