SB20240531396 - NULL pointer dereference in Linux kernel acpi
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531396
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) NULL pointer dereference (CVE-ID: CVE-2021-47289)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the include/acpi/acpi_bus.h. 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/38f54217b423c0101d03a00feec6fb8ec608b12e
- https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc
- https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4
- https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.57
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.139