VULNERABILITY INTELLIGENCE
CVE-2021-46920
CVSS score5.5 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2024-02-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo