CVE-2022-49852
High
Description
In the Linux kernel, the following vulnerability has been resolved: riscv: process: fix kernel info leakage thread_struct's s[12] may contain random kernel memory content, which may be finally leaked to userspace. This is a security hole. Fix it by clearing the s[12] array in thread_struct when fork. As for kthread case, it's better to clear the s[12] array as well.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedMay 1, 2025
First seenMay 1, 2025
How to fix
Update
- linux linux_kernel4.19.267, 5.4.225, 5.10.155, 5.15.79, 6.0.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.15 ≤ v < 4.19.267, 4.20 ≤ v < 5.4.225, 5.5 ≤ v < 5.10.155, 5.11 ≤ v < 5.15.79, 5.16 ≤ v < 6.0.9, 6.1 | 4.19.267, 5.4.225, 5.10.155, 5.15.79, 6.0.9 |
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