CVE-2026-90415
kernel: RDMA/cxgb4: free STAG index when TPT entry write fails
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 6, 2026
Description
A flaw was found in the Linux kernel's RDMA/cxgb4 driver. This vulnerability occurs when the system fails to properly free a Steering Tag (STAG) index after an unsuccessful attempt to write to adapter memory. This leads to a resource leak, which could be exploited by a local attacker to cause a denial of service by exhausting available resources.
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-772 · Missing Release of Resource after Effective Lifetime