CVE-2021-46920
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedFeb 27, 2024
First seenFeb 27, 2024
How to fix
Update
- linux linux_kernel5.10.32, 5.11.16 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.6.0 ≤ v < 5.10.32, 5.11.0 ≤ v < 5.11.16 | 5.10.32, 5.11.16 |
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