CVE-2026-43282

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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/ionic/ionic_ibdev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2b96156c927cd83c109e2e3946e6111dce73231f", "status": "affected", "version": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2", "versionType": "git"}, {"lessThan": "81932a46dfd0db10a03f46f0b1c7ef946ac4552f", "status": "affected", "version": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2", "versionType": "git"}, {"lessThan": "fd80bd7105f88189f47d465ca8cb7d115570de30", "status": "affected", "version": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/ionic/ionic_ibdev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.16", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E0D300DB-AA68-4962-981D-EF9F5E97AACF", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nRDMA/ionic: Correcci\u00f3n de una posible desreferencia de puntero NULL en ionic_query_port\n\nLa funci\u00f3n ionic_query_port() llama a ib_device_get_netdev() sin comprobar el valor de retorno, lo que podr\u00eda conducir a una desreferencia de puntero NULL. Se soluciona comprobando el valor de retorno y devolviendo -ENODEV si \u2019ndev\u2019 es NULL."}], "id": "CVE-2026-43282", "lastModified": "2026-11-11T23:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-06T12:16:49.703", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2b96156c927cd83c109e2e3946e6111dce73231f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81932a46dfd0db10a03f46f0b1c7ef946ac4552f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fd80bd7105f88189f47d465ca8cb7d115570de30"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"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"]}

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