SB20260919135 - Memory corruption in Linux kernel microsoft mana driver
Published: September 19, 2026
Security Bulletin ID
SB20260919135
CSH 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 vulnerability.
1) Memory corruption (CVE-ID: CVE-2026-90082)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper bounds checking in the MANA GDMA MSI-X vector resource query when initializing MSI-X vectors on a device whose MSI-X table is smaller than the calculated vector count. A local user can trigger MANA GDMA driver initialization to cause a denial of service.
Remediation
Install update from vendor's website.