CVE-2023-53573
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-04

Last updated on: 2026-03-21

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: clk: rs9: Fix suspend/resume Disabling the cache in commit 2ff4ba9e3702 ("clk: rs9: Fix I2C accessors") without removing cache synchronization in resume path results in a kernel panic as map->cache_ops is unset, due to REGCACHE_NONE. Enable flat cache again to support resume again. num_reg_defaults_raw is necessary to read the cache defaults from hardware. Some registers are strapped in hardware and cannot be provided in software.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-10-04
Last Modified
2026-03-21
Generated
2026-06-16
AI Q&A
2025-10-04
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53573
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.1
linux linux_kernel 6.3
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability in the Linux kernel involves an issue with the clock (clk) subsystem for the rs9 platform. A previous change disabled the cache without removing cache synchronization in the resume path, which caused a kernel panic because the cache operations pointer (map->cache_ops) was unset due to REGCACHE_NONE. The fix re-enables the flat cache to support resume functionality and ensures that hardware register defaults are properly read, preventing the kernel panic during suspend/resume cycles.

Impact Analysis

This vulnerability can cause a kernel panic during the suspend/resume process on affected Linux systems, leading to system crashes and potential data loss or service interruption.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-53573. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart