Tracker / CVE-2021-47602
CVE-2021-47602
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: mac80211: track only QoS data frames for admission control For admission control, obviously all of that only works for QoS data frames, otherwise we cannot even access the QoS field in the header. Syzbot reported (see below) an uninitialized value here due to a status of a non-QoS nullfunc packet, which isn't even long enough to contain the QoS header. Fix this to only do anything for QoS data packets.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 3.19 → 4.19.222 |
| linux | linux_kernel · 4.20 → 5.4.168 |
| linux | linux_kernel · 5.11 → 5.15.11 |
| linux | linux_kernel · 5.5 → 5.10.88 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.