Tracker / CVE-2020-29534
CVE-2020-29534
High 7.8
An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 5.1 → 5.8.18 |
| linux | linux_kernel · 5.9.0 → 5.9.3 |
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.