SB20240620227 - Improper error handling in Linux kernel broadcom bnxt driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620227
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) Improper error handling (CVE-ID: CVE-2021-47015)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the bnxt_rx_pkt() function in drivers/net/ethernet/broadcom/bnxt/bnxt.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/b1523e4ba293b2a32d9fabaf70c1dcaa6e3e2847
- https://git.kernel.org/stable/c/4fcaad2b7dac3f16704f8118c7e481024ddbd3ed
- https://git.kernel.org/stable/c/e187ef83c04a5d23e68d39cfdff1a1931e29890c
- https://git.kernel.org/stable/c/3fbc5bc651d688fbea2a59cdc91520a2f5334d0a
- https://git.kernel.org/stable/c/bbd6f0a948139970f4a615dff189d9a503681a39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.119