AUGUST 4, 2026
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Case File

CVE-2021-46920

MEDIUM · CVSS 5.5 EPSS 0.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-02-27 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2021-46920
Severity
MEDIUM
CVSS
5.5
EPSS
0.22%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)