SB2026091999 - Out-of-bounds read in Linux kernel qlogic qlcnic driver
Published: September 19, 2026
Security Bulletin ID
SB2026091999
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) Out-of-bounds read (CVE-ID: CVE-2026-90112)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause an out-of-bounds read.
The vulnerability exists due to improper bounds checking in the qlcnic firmware ROM parser and loader when processing a malformed firmware image. A local user can provide a truncated or malformed firmware image to cause an out-of-bounds read.
Remediation
Install update from vendor's website.