{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43282", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.998Z", "datePublished": "2026-05-06T11:29:03.000Z", "dateUpdated": "2026-05-06T11:29:03.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:29:03.000Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port\n\nThe function ionic_query_port() calls ib_device_get_netdev() without\nchecking the return value which could lead to NULL pointer dereference,\nFix it by checking the return value and return -ENODEV if the 'ndev' is\nNULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/ionic/ionic_ibdev.c"], "versions": [{"version": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2", "lessThan": "2b96156c927cd83c109e2e3946e6111dce73231f", "status": "affected", "versionType": "git"}, {"version": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2", "lessThan": "81932a46dfd0db10a03f46f0b1c7ef946ac4552f", "status": "affected", "versionType": "git"}, {"version": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2", "lessThan": "fd80bd7105f88189f47d465ca8cb7d115570de30", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/ionic/ionic_ibdev.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2b96156c927cd83c109e2e3946e6111dce73231f"}, {"url": "https://git.kernel.org/stable/c/81932a46dfd0db10a03f46f0b1c7ef946ac4552f"}, {"url": "https://git.kernel.org/stable/c/fd80bd7105f88189f47d465ca8cb7d115570de30"}], "title": "RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port", "id": "2467194", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467194"}, "csaw": false, "cwe": "CWE-252", "details": ["A flaw was found in the Linux kernel's RDMA (Remote Direct Memory Access) ionic driver. This vulnerability occurs in the `ionic_query_port()` function, where a missing check for the return value of `ib_device_get_netdev()` can lead to a NULL pointer dereference. A local attacker could potentially exploit this to cause a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-43282", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43282\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43282\nhttps://lore.kernel.org/linux-cve-announce/2026050614-CVE-2026-43282-d775@gregkh/T"]}