Vulnerability in Linux
CVE-2021-46920
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.
EPSS: 0.002 (12.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Linux — versions bfe1d56091c1a404b3d4ce7e9809d745fc4453bb, 5.6, 0
- Linux Linux_kernel
References
Frequently asked questions
- What is CVE-2021-46920?
- CVE-2021-46920 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-02-27.
- How severe is CVE-2021-46920?
- Medium severity. CVSS v3 base score is 5.5 out of 10.