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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netfilter/ipvs/ip_vs_proto_sctp.c", "net/netfilter/ipvs/ip_vs_proto_tcp.c", "net/netfilter/ipvs/ip_vs_proto_udp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4", "status": "affected", "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d", "versionType": "git"}, {"lessThan": "05cfe9863ef049d98141dc2969eefde72fb07625", "status": "affected", "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/netfilter/ipvs/ip_vs_proto_sctp.c", "net/netfilter/ipvs/ip_vs_proto_tcp.c", "net/netfilter/ipvs/ip_vs_proto_udp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.28"}, {"lessThan": "2.6.28", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: skip ipv6 extension headers for csum checks\n\nProtocol checksum validation fails for IPv6 if there are extension\nheaders before the protocol header. iph->len already contains its\noffset, so use it to fix the problem."}], "id": "CVE-2026-45850", "lastModified": "2026-06-17T10:52:36.347", "metrics": {}, "published": "2026-05-27T14:16:56.970", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ipvs: skip ipv6 extension headers for csum checks", "id": "2482022", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482022"}, "csaw": false, "cwe": "CWE-354", "details": ["A flaw was found in the Linux kernel's IP Virtual Server (IPVS) component. A remote attacker could send specially crafted IPv6 packets with extension headers, causing the system to fail protocol checksum validation. This could lead to incorrect packet processing or a denial of service (DoS), impacting network service availability."], "name": "CVE-2026-45850", "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": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45850\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45850\nhttps://lore.kernel.org/linux-cve-announce/2026052708-CVE-2026-45850-8b5f@gregkh/T"]}

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