Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.6.0, < 5.10.32 |
References
- https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281Patch
- https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15faddPatch
- https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037aePatch
- https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281Patch
- https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15faddPatch
- https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037aePatch
FAQ
What is CVE-2021-46919?
CVE-2021-46919 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 size store permission state WQ size can only be changed when the device is disabled. Current code allows c...
How severe is CVE-2021-46919?
CVE-2021-46919 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-2021-46919?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.