CVE-2026-46009

kernel: PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 27, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel, specifically within the PCI endpoint NTB (Non-Transparent Bridge) module. A programming error involving a duplicate resource teardown in the epf_ntb_epc_destroy() function can lead to a kernel 'oops', which is a system crash. This issue can be triggered during PCI link operations, such as allow_link or drop_link, potentially resulting in a denial of service for the affected system.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-832 · Unlock of a Resource that is not Locked