CVE-2023-1637

kernel: save/restore speculative MSRs during S3 suspend/resume

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 5, 2022

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel X86 CPU Power management when resuming CPU from suspend-to-RAM. This issue could allow a local user unauthorized access to memory from the CPU.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE-908 · Use of Uninitialized Resource