CVE-2021-46920 Vulnerability Details

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CVE-2021-46920 Metadata Quick Info

CVE Published: 27/02/2024 | CVE Updated: 04/11/2024 | CVE Year: 2021
Source: Linux | Vendor: Linux | Product: Linux
Status : PUBLISHED

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CVE-2021-46920 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.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
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    User Interaction (UI)*
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l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

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Source: Linux

Common Attack Pattern Enumeration and Classification (CAPEC)

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Source: NVD (National Vulnerability Database).