CVE-2026-74495
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.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Resource Consumption (Other); DoS: Resource Consumption (Memory); DoS: Resource Consumption (CPU)
An attacker that can influence the allocation of resources that are not properly released could deplete the available resource pool and prevent all other processes from accessing the same type of resource. Frequently-affected resources include memory, CPU, disk space, power or battery, etc.
Frequently Asked Questions
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