RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port

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Summary

CVECVE-2026-43282
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:49 UTC
Updated2026-05-08 19:09:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port The function ionic_query_port() calls ib_device_get_netdev() without checking the return value which could lead to NULL pointer dereference, Fix it by checking the return value and return -ENODEV if the 'ndev' is NULL.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 2075bbe8ef03914aa2211035eec45d1d3a5c4ff2 2b96156c927cd83c109e2e3946e6111dce73231f git Not specified
CNA Linux Linux affected 2075bbe8ef03914aa2211035eec45d1d3a5c4ff2 81932a46dfd0db10a03f46f0b1c7ef946ac4552f git Not specified
CNA Linux Linux affected 2075bbe8ef03914aa2211035eec45d1d3a5c4ff2 fd80bd7105f88189f47d465ca8cb7d115570de30 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2b96156c927cd83c109e2e3946e6111dce73231f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/fd80bd7105f88189f47d465ca8cb7d115570de30 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/81932a46dfd0db10a03f46f0b1c7ef946ac4552f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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