SB20240531299 - NULL pointer dereference in Linux kernel hid driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531299
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-2021-47522)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the bigben_worker() function in drivers/hid/hid-bigbenff.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/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd
- https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e
- https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7
- https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.165