CVE-2026-74495
kernel: igbvf: Fix leak in TX DMA error cleanup
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 15, 2026
Updated · September 1, 2026
Description
A flaw was found in the igbvf driver of the Linux kernel. An off-by-one error during the cleanup of transmit (TX) Direct Memory Access (DMA) buffer mappings can lead to a memory leak. If an error occurs while mapping TX buffers, one DMA mapping may not be properly unmapped, potentially impacting system stability or performance over time.
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