Tracker / CVE-2021-47407
CVE-2021-47407
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Handle SRCU initialization failure during page track init Check the return of init_srcu_struct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller. [Move the call towards the beginning of kvm_arch_init_vm. - Paolo]
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · … → 5.10.71 |
| linux | linux_kernel · 5.11 → 5.14.10 |
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.