Linux Kernel RDMA/Ionic NULL Deref in ionic_query_port
CVE-2026-43282 Published on May 6, 2026
RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port
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.
Products Associated with CVE-2026-43282
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Affected Versions
Linux:- Version 2075bbe8ef03914aa2211035eec45d1d3a5c4ff2 and below 2b96156c927cd83c109e2e3946e6111dce73231f is affected.
- Version 2075bbe8ef03914aa2211035eec45d1d3a5c4ff2 and below 81932a46dfd0db10a03f46f0b1c7ef946ac4552f is affected.
- Version 2075bbe8ef03914aa2211035eec45d1d3a5c4ff2 and below fd80bd7105f88189f47d465ca8cb7d115570de30 is affected.
- Version 6.18 is affected.
- Before 6.18 is unaffected.
- Version 6.18.16, <= 6.18.* is unaffected.
- Version 6.19.6, <= 6.19.* is unaffected.
- Version 7.0, <= * is unaffected.