Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.8.0, < 5.10.32 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833Patch
- https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7aPatch
- https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9Patch
- https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833Patch
- https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7aPatch
- https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9Patch
FAQ
What is CVE-2021-46917?
CVE-2021-46917 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 re...
How severe is CVE-2021-46917?
CVE-2021-46917 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-46917?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.