CVE-2022-48966

net: mvneta: Prevent out of bounds read in mvneta_config_rss()

Description

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: Prevent out of bounds read in mvneta_config_rss() The pp->indir[0] value comes from the user. It is passed to: if (cpu_online(pp->rxq_def)) inside the mvneta_percpu_elect() function. It needs bounds checkeding to ensure that it is not beyond the end of the cpu bitmap.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/3ceffb8f410b93553fb16fe7e84aa0d35b3ba79b patch
https://git.kernel.org/stable/c/47a1a2f6cd5ec3a4f8a2d9bfa1e0605347cdb92c patch
https://git.kernel.org/stable/c/5a142486a0db6b0b85031f22d69acd0cdcf8f72b patch
https://git.kernel.org/stable/c/eec1fc21edc2bb99c9e66cf66f0b5d4d643fbb50 patch
https://git.kernel.org/stable/c/146ebee8fcdb349d7ec0e49915e6cdafb92544ae patch
https://git.kernel.org/stable/c/a6b30598fec84f8809f5417cde73071ca43e8471 patch
https://git.kernel.org/stable/c/6ca0a506dddc3e1d636935eef339576b263bf3d8 patch
https://git.kernel.org/stable/c/e8b4fc13900b8e8be48debffd0dfd391772501f7 patch

Frequently Asked Questions

What is the severity of CVE-2022-48966?
CVE-2022-48966 has been scored as a high severity vulnerability.
How to fix CVE-2022-48966?
To fix CVE-2022-48966, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-48966 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-48966 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-48966?
CVE-2022-48966 affects Linux Linux, Linux Linux.
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