CVE-2024-38667
kernel: riscv: prevent pt_regs corruption for secondary idle threads
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 24, 2024
Updated · November 21, 2025
Description
A vulnerability was found in the Linux kernel, affecting the RISC-V architecture. This issue may corrupt pt_regs (processor status registers) for secondary idle threads, which could lead to undefined behavior or system instability. This issue has been addressed in a kernel update to prevent such corruption, ensuring stability and reliability in idle thread management on RISC-V systems.
Statement
Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-1260 · Improper Handling of Overlap Between Protected Memory Ranges