SB20260815217 - Information disclosure in Linux kernel hw bnxt_re driver
Published: August 15, 2026
Security Bulletin ID
SB20260815217
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2026-72498)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to exposure of sensitive information in the RDMA bnxt_re MR info dump functionality when dumping MR information using the rdma tool. A local user can query MR information to disclose sensitive information.
The exposed value is a kernel pointer for mr_hwq.
Remediation
Install update from vendor's website.