SB2026100763 - Improper initialization in Linux kernel broadcom genet driver
Published: October 7, 2026
Security Bulletin ID
SB2026100763
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper initialization (CVE-ID: CVE-2026-98304)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local privileged user to discard configured hardware filter rules.
The vulnerability exists due to improper reinitialization of the hardware filter rule list in bcmgenet_hfb_init() when reopening a network interface. A local privileged user can bring the interface down and back up to discard configured hardware filter rules.
Remediation
Install update from vendor's website.