{"id":"CVE-2026-64547","revision":null,"records":[{"revision":"8b0b82dd4dd343b59c5c33e5932d6284","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-64547","aliases":[],"title":"net: usb: net1080: validate packet_len before pad-byte access in rx_fixup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: net1080: validate packet_len before pad-byte access in rx_fixup\n\nFor an even packet_len, net1080_rx_fixup() reads the pad byte at\nskb->data[packet_len] before the skb->len != packet_len check further\ndown, and packet_len is only bounded against NC_MAX_PACKET. A malicious\nNetChip 1080 device can send a short frame advertising a large even\npacket_len (e.g. 0x4000), so the pad-byte read lands past the end of the\nskb:\n\n BUG: KASAN: slab-out-of-bounds in net1080_rx_fixup\n Read of size 1 at addr ffff8880106c83c6 by task ksoftirqd/0/14\n ...\n net1080_rx_fixup (drivers/net/usb/net1080.c:384)\n usbnet_bh (drivers/net/usb/usbnet.c:1589)\n process_one_work (kernel/workqueue.c:3322)\n bh_worker (kernel/workqueue.c:3708)\n tasklet_action (kernel/softirq.c:965)\n handle_softirqs (kernel/softirq.c:622)\n ...\n\nReject the frame when packet_len >= skb->len before reading.","state":0,"publishedAt":"2026-07-27T20:10:37.786+00:00","modifiedAt":"2026-10-19T20:48:40.168+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/usb/net1080.c\"\n ],\n \"versions\": [\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"f42217fa7d535e9ec4151f7971f06f6ea65e850a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"c087749815379e9af2fdbeb08bfc33870b103958\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"e4a87126c085b097d29e17e3b7647295bba8be7c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"685e92934f11d5e215dad58813e2f9955ac2f436\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"4dc8484be3302d187274364820d3bef6c62bde32\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"b153cfe84b1340c69a13d0957665a2bfcf21239c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"ea866cab12db1a2100b400a8b03569e5bc0ee29a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"904813cd8a0b334189da285bb05af0b18b062502\",\n \"lessThan\": \"03f384bc0cb8d4a1301d4f5b0baef2d980258383\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/usb/net1080.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.14\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.14\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.261\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.212\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":8.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/f42217fa7d535e9ec4151f7971f06f6ea65e850a","https://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958","https://git.kernel.org/stable/c/e4a87126c085b097d29e17e3b7647295bba8be7c","https://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436","https://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32","https://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c","https://git.kernel.org/stable/c/ea866cab12db1a2100b400a8b03569e5bc0ee29a","https://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64547","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-64547","identifiers":["CVE-2026-64547"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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