PT-2025-18569 · Linux+1 · Linux Kernel+1

CVE-2022-49852

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Published

2022-01-29

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Updated

2026-01-23

CVSS v3.1

7.1

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A security issue has been identified in the Linux kernel, specifically related to the riscv process, where the s[12] array in thread struct may contain random kernel memory content. This content could potentially leak to userspace, posing a security risk. The issue is resolved by clearing the s[12] array in thread struct when forking. Additionally, for the kthread case, it is recommended to clear the s[12] array as well.
Recommendations To resolve the issue, clear the s[12] array in thread struct when forking. As for the kthread case, clear the s[12] array as well to ensure security.

Exploit

Fix

Incorrect Privilege Assignment

Information Disclosure

Improper Access Control

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Weakness Enumeration

Related Identifiers

BDU:2026-09289
CVE-2022-49852

Affected Products

Astra Linux
Linux Kernel