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CVE-2022-50055

iavf: Fix adminq error handling

Published: Jun 18, 2025Updated: Nov 13, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.2%
Top 95.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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]

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

linux kernellinux
On-premOS
Operating Systems
LinuxLinux
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Red Hat VirtualizationRed Hat Inc.
On-prem
Cloud & SaaS / virtualization
linuxoss-projectOperating Systemsaka the linux kernel
canonical ltd.commercialGBOperating Systemsaka canonical
red hat inc.commercialUSOperating Systemsaka red hat
and 2 more affected products View all →

Exploitability

Official Patch Available

References

https://git.kernel.org/stable/c/35c63581fdefdcbaeae8cded18908523252353ad
git.kernel.org
https://git.kernel.org/stable/c/419831617ed349992c84344dbd9e627f9e68f842
git.kernel.org
https://git.kernel.org/stable/c/4fe80492d53971d9a49f39f3c86d2d67c6f3638a
git.kernel.org
and 15 more references View all →

Timeline

Published
Jun 18, 2025
Last Updated
Nov 13, 2025

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