SB2024062472 - Buffer overflow in Linux kernel core en_accel driver
Published: June 24, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062472
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) Buffer overflow (CVE-ID: CVE-2021-47215)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the DECLARE_BITMAP(), resync_handle_seq_match(), mlx5e_ktls_add_rx() and mlx5e_ktls_rx_handle_resync_list() functions in drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.