CVE-2023-52488
kernel: serial: sc16is7xx: convert from _raw_ to _noinc_ regmap functions for FIFO
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 29, 2024
Updated · November 21, 2025
Description
A cache corruption vulnerability was found in the Linux kernel, which affects the regmap cache and is caused by the FIFO Read/Write (R/W) functions regmap_raw_read() and regmap_raw_write() during burst mode. These functions are able to perform IO operations over multiple registers, and if the regmap cache is not disabled manually during this mode, it can lead to cache corruption.
Statement
Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.
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 not specified