CVE-2026-90411
kernel: nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request
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 nvme-fc component of the Linux kernel. When the rsp_iu mapping fails during the __nvme_fc_init_request() function, the cmd_iu DMA mapping is not properly unmapped. This oversight leads to a memory leak, which could potentially be exploited by a local attacker to cause 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-772 · Missing Release of Resource after Effective Lifetime