CVE-2022-50055

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]

Score

CVSS 3.1 5.5 Medium

Status

Analyzed - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-06-18

Last modified

2026-05-11

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/35c63581fdefdcbaeae8cded18908523252353ad
• https://git.kernel.org/stable/c/419831617ed349992c84344dbd9e627f9e68f842
• https://git.kernel.org/stable/c/4fe80492d53971d9a49f39f3c86d2d67c6f3638a
• https://git.kernel.org/stable/c/dab6b551f5ba4c79a0dd4970dd8533c37a7b100f
• https://git.kernel.org/stable/c/ff289f2be5899efd0e897d2b434a78e36df2c69b