CVEvulnerability

CVE-2022-50055

5.5 MEDIUM Published 2025-06-18 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-06-18
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Without this change it is possible to see when unloading interface: 74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32] One of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]

Affected configurations

• linux linux kernel (>= 3.14 < 5.4.211) • linux linux kernel (>= 5.5 < 5.10.138) • linux linux kernel (>= 5.11 < 5.15.63) • linux linux kernel (>= 5.16 < 5.19.4) • linux linux kernel 6.0

References