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{"bugzilla": {"description": "kernel: net/ipv6: ioam6: prevent schema length wraparound in trace fill", "id": "2468097", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468097"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw was found in the Linux kernel's IPv6 In-situ Operations, Administration, and Maintenance (IOAM6) trace fill functionality. An integer overflow vulnerability exists in the `ioam6_fill_trace_data()` function, where the schema length calculation can wrap around due to being stored in an 8-bit unsigned integer. This bypasses buffer size checks, leading to a buffer overflow that can result in a denial of service or other memory corruption issues."], "name": "CVE-2026-43341", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43341\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43341\nhttps://lore.kernel.org/linux-cve-announce/2026050824-CVE-2026-43341-7c3e@gregkh/T"], "threat_severity": "Important"}

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