SB2025100821 - Memory leak in Linux kernel dell dell-wmi-sysman driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100821
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) Memory leak (CVE-ID: CVE-2023-53631)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the init_bios_attributes() function in drivers/platform/x86/dell/dell-wmi-sysman/sysman.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6ced15ff1746006476f1407fe722911a45a7874d
- https://git.kernel.org/stable/c/7295a996fdab7bf83dc3d4078fa8b139b8e0a1bf
- https://git.kernel.org/stable/c/9d9e03bec147407826266580e7d6ec427241d859
- https://git.kernel.org/stable/c/c5402011992bcc2b5614fe7fef24f9cdaec7473b
- https://git.kernel.org/stable/c/d079a3e1ccdd183b75db4f5289be347980b45284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132