SB2025020432 - NULL pointer dereference in Linux kernel broadcom bnxt driver
Published: February 4, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025020432
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-2025-21682)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the bnxt_xdp_set() function in drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c, within the bnxt_set_ring_params(), bnxt_set_rx_skb_mode() and bnxt_init_one() functions 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.