CVE-2022-50402
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 18, 2025
First seenSep 18, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.5 ≤ v < 4.19.270, 4.20 ≤ v < 5.4.229, 5.5 ≤ v < 5.10.163, 5.11 ≤ v < 5.15.86, 5.16 ≤ v < 6.0.16, 6.1 ≤ v < 6.1.2 | 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2 |
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