CVE-2022-50055

Medium

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]

Package Linux Kernel
Published 2025-06-18
Last modified 2025-11-13
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 3.14 and later are affected. Fixed in 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0 and their respective stable series.

Affected from
≥ 3.14
Fixed in
✓ 5.4.211 5.4.x ✓ 5.10.138 5.10.x ✓ 5.15.63 5.15.x ✓ 5.19.4 5.19.x ✓ 6.0

References

The following references provide additional information about CVE-2022-50055 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2022-50055?

    CVE-2022-50055 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.14 onward and has been patched in 5.4.211, 5.10.138, 5.15.63 and others. CVE-2022-50055 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-50055?

    CVE-2022-50055 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2022-50055?

    Yes — CVE-2022-50055 has been patched. Fixed versions include 5.4.211, 5.10.138, 5.15.63 and others. If you are running Linux kernel 3.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2022-50055 actively exploited?

    No — CVE-2022-50055 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.