CVE-2023-53113

wifi: nl80211: fix NULL-ptr deref in offchan check

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e.g. in AP mode, the link was already created by userspace but not activated yet, it has a chandef but the chandef isn't valid and has no channel. Check for this and ignore this link.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a
https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a
https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705

Frequently Asked Questions

What is the severity of CVE-2023-53113?: CVE-2023-53113 has not yet been assigned a CVSS score.
How to fix CVE-2023-53113?: To fix CVE-2023-53113, 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-2023-53113 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-53113 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-2023-53113?: CVE-2023-53113 affects Linux Linux, Linux Linux.

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