CVE-2022-49646

wifi: mac80211: fix queue selection for mesh/OCB interfaces

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates that assumption and txq->ac == skb_queue_mapping is no longer guaranteed. This can cause issues with queue handling in the driver and also causes issues with the recent ATF change, resulting in an AQL underflow warning.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/444be5a02b77f3b7a8ac9c1a0b074fbb3bd89cd0
https://git.kernel.org/stable/c/e013ea2a51a94b903b396a8dff531a07d470335d
https://git.kernel.org/stable/c/5a9df31017999197b6e60535940f2f2fe1bd3b0d
https://git.kernel.org/stable/c/41ecab279a70dced9005f4d55fa0fcde8938603f
https://git.kernel.org/stable/c/50e2ab39291947b6c6c7025cf01707c270fcde59

Frequently Asked Questions

What is the severity of CVE-2022-49646?: CVE-2022-49646 has not yet been assigned a CVSS score.
How to fix CVE-2022-49646?: To fix CVE-2022-49646, 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-2022-49646 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49646 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-2022-49646?: CVE-2022-49646 affects Linux Linux, Linux Linux.

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