Tracker / CVE-2022-50300
CVE-2022-50300
High 7.8
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in read_one_chunk Store the error code before freeing the extent_map. Though it's reference counted structure, in that function it's the first and last allocation so this would lead to a potential use-after-free. The error can happen eg. when chunk is stored on a missing device and the degraded mount option is missing. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=216721
Affected products and versions
| linux | linux_kernel · 4.15 → 5.15.87 |
|---|---|
| linux | linux_kernel · 5.16 → 6.0.18 |
| linux | linux_kernel · 6.1 → 6.1.4 |
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.