CVE-2023-53573: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 6.0.8, before 6.1 (fixed in 6.1); from 6.1.1, before 6.1.25 (fixed in 6.1.25); from 6.2, before 6.2.12 (fixed in 6.2.12); version 6.1 only; version 6.3 only

Published 2025-10-04. Last modified 2026-06-17.