SB20240531268 - Out-of-bounds read in Linux kernel input mouse driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531268
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-2021-47097)
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 elantech_change_report_id() function in drivers/input/mouse/elantech.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/a7f95328c6f0afffdc4555f16e3bbab8bbf0d9be
- https://git.kernel.org/stable/c/676c572439e58b7ee6b7ca3f1e5595382921045c
- https://git.kernel.org/stable/c/dfd5b60b5342b6b505a104e48f08ad9b9bdbbd7b
- https://git.kernel.org/stable/c/1d72d9f960ccf1052a0630a68c3d358791dbdaaa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.89
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.169