Vulnerability in Linux
CVE-2021-46917
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq cleanup of WQCFG registers A pre-release silicon erratum workaround where wq reset does not clear WQCFG registers was leaked into upstream code. Use wq reset command instead of blasting the MMIO region. This also address an issue where we clobber registers in future devices.
EPSS: 0.002 (13.4th 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:H/I:N/A:N.
Affected products
- Linux — versions 5.8, 5.10.32, 5.12
- Linux Linux_kernel
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-46917?
- CVE-2021-46917 is a medium-severity vulnerability in Linux, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.5/10. Published 2024-02-27.
- How severe is CVE-2021-46917?
- Medium severity. CVSS v3 base score is 5.5 out of 10.