CVE-2026-90082
kernel: net: mana: Cap MSI-X vectors to the device MSI-X table size
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 29, 2026
Description
A flaw was found in the mana network driver within the Linux kernel. This vulnerability occurs because the driver incorrectly calculates the number of Message Signaled Interrupts (MSI-X) vectors, leading to an out-of-bounds write. A local attacker, by operating a specially crafted virtual machine, could trigger a system crash, resulting in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write