Tracker / CVE-2022-49832
CVE-2022-49832
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 3.5 → 4.9.334 |
| linux | linux_kernel · 4.10 → 4.14.300 |
| linux | linux_kernel · 4.15 → 4.19.267 |
| linux | linux_kernel · 4.20 → 5.4.225 |
| linux | linux_kernel · 5.11 → 5.15.80 |
| linux | linux_kernel · 5.16 → 6.0.10 |
| linux | linux_kernel · 5.5 → 5.10.156 |
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.