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{"bugzilla": {"description": "kernel: batman-adv: reject oversized global TT response buffers", "id": "2461476", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461476"}, "csaw": false, "cwe": "CWE-190", "details": ["A flaw was found in the batman-adv component of the Linux kernel. A remote attacker can exploit this vulnerability by sending a specially crafted oversized global Topology Table (TT) response. This causes an integer overflow during memory allocation, leading to a heap overflow and memory corruption. This memory corruption could potentially result in a denial of service or other unpredictable system behavior."], "name": "CVE-2026-31659", "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": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31659\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31659\nhttps://lore.kernel.org/linux-cve-announce/2026042403-CVE-2026-31659-58eb@gregkh/T"]}