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{"bugzilla": {"description": "kernel: net: lapbether: handle NETDEV_PRE_TYPE_CHANGE", "id": "2467009", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467009"}, "csaw": false, "cwe": "CWE-1287", "details": ["A flaw was found in the Linux kernel's `lapbether` network driver. This vulnerability occurs because the `lapbeth_data_transmit()` function expects a specific underlying device type, and without proper handling of network device type changes, this expectation can be violated. This could lead to unexpected behavior or system instability, potentially resulting in a denial of service."], "name": "CVE-2026-43103", "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-2026-43103\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43103\nhttps://lore.kernel.org/linux-cve-announce/2026050622-CVE-2026-43103-85e9@gregkh/T"]}

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