CVE-2026-43282

RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port

MEDIUM
5.5
CVSS Score
Published: May 6, 2026 at 11:29 AM UTC
Updated: June 17, 2026 at 10:49 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

In 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.18 ≤ v < 6.18.166.18 ≤ v < 6.19.66.18 ≤ v < 7.06.19 ≤ v < 6.19.62075bbe8ef03914aa2211035eec45d1d3a5c4ff26.187.0 rc1
Vendor states this is fixed in 2b96156c927cd83c109e2e3946e6111dce73231f (fixed)
Vendor states this is fixed in 81932a46dfd0db10a03f46f0b1c7ef946ac4552f (fixed)
Vendor states this is fixed in fd80bd7105f88189f47d465ca8cb7d115570de30 (fixed)
Vendor states this is fixed in 6.18 (unaffected)
Vendor states this is fixed in 6.18.16 (unaffected)
Vendor states this is fixed in 6.19.6 (unaffected)
Vendor states this is fixed in 7.0 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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