SB2025120875 - Out-of-bounds read in Linux kernel base regmap driver
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025120875
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-53768)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the regmap_add_irq_chip_fwnode() function in drivers/base/regmap/regmap-irq.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.