Tracker / CVE-2021-46920
CVE-2021-46920
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback Current code blindly writes over the SWERR and the OVERFLOW bits. Write back the bits actually read instead so the driver avoids clobbering the OVERFLOW bit that comes after the register is read.
Affected products and versions
| linux | linux_kernel · 5.11.0 → 5.11.16 |
|---|---|
| linux | linux_kernel · 5.6.0 → 5.10.32 |
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.