SB20241230128 - NULL pointer dereference in Linux kernel leds driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230128
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-2024-56587)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the brightness_show() and max_brightness_show() functions in drivers/leds/led-class.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/4ca7cd938725a4050dcd62ae9472e931d603118d
- https://git.kernel.org/stable/c/50d9f68e4adf86901cbab1bd5b91f710aa9141b9
- https://git.kernel.org/stable/c/84b42d5b5fcd767c9b7f30b0b32065ed949fe804
- https://git.kernel.org/stable/c/b8283d52ed15c02bb2eb9b1b8644dcc34f8e98f1
- https://git.kernel.org/stable/c/bb4a6236a430cfc3713f470f3a969f39d6d4ca25
- https://git.kernel.org/stable/c/ddcfc5708da9972ac23a9121b3d819b0a53d6f21
- https://git.kernel.org/stable/c/f6d6fb563e4be245a17bc4261a4b294e8bf8a31e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.66