{"api_version":"1","generated_at":"2026-08-04T13:06:51+00:00","cve":"CVE-2026-64547","urls":{"html":"https://cve.report/CVE-2026-64547","api":"https://cve.report/api/cve/CVE-2026-64547.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64547","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64547"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-07-27 21:17:07","updated_at":"2026-07-30 06:25:58"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","data":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/ea866cab12db1a2100b400a8b03569e5bc0ee29a","name":"https://git.kernel.org/stable/c/ea866cab12db1a2100b400a8b03569e5bc0ee29a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958","name":"https://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32","name":"https://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e4a87126c085b097d29e17e3b7647295bba8be7c","name":"https://git.kernel.org/stable/c/e4a87126c085b097d29e17e3b7647295bba8be7c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383","name":"https://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436","name":"https://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f42217fa7d535e9ec4151f7971f06f6ea65e850a","name":"https://git.kernel.org/stable/c/f42217fa7d535e9ec4151f7971f06f6ea65e850a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c","name":"https://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64547","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64547","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 f42217fa7d535e9ec4151f7971f06f6ea65e850a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 c087749815379e9af2fdbeb08bfc33870b103958 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 e4a87126c085b097d29e17e3b7647295bba8be7c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 685e92934f11d5e215dad58813e2f9955ac2f436 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 4dc8484be3302d187274364820d3bef6c62bde32 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 b153cfe84b1340c69a13d0957665a2bfcf21239c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 ea866cab12db1a2100b400a8b03569e5bc0ee29a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 904813cd8a0b334189da285bb05af0b18b062502 03f384bc0cb8d4a1301d4f5b0baef2d980258383 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.261 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64547","cve":"CVE-2026-64547","epss":"0.002770000","percentile":"0.199960000","score_date":"2026-08-02","updated_at":"2026-08-03 00:14:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/usb/net1080.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f42217fa7d535e9ec4151f7971f06f6ea65e850a","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"c087749815379e9af2fdbeb08bfc33870b103958","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"e4a87126c085b097d29e17e3b7647295bba8be7c","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"685e92934f11d5e215dad58813e2f9955ac2f436","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"4dc8484be3302d187274364820d3bef6c62bde32","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"b153cfe84b1340c69a13d0957665a2bfcf21239c","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"ea866cab12db1a2100b400a8b03569e5bc0ee29a","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"},{"lessThan":"03f384bc0cb8d4a1301d4f5b0baef2d980258383","status":"affected","version":"904813cd8a0b334189da285bb05af0b18b062502","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/usb/net1080.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.14"},{"lessThan":"2.6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"2.6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc3","versionStartIncluding":"2.6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T06:06:39.748Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f42217fa7d535e9ec4151f7971f06f6ea65e850a"},{"url":"https://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958"},{"url":"https://git.kernel.org/stable/c/e4a87126c085b097d29e17e3b7647295bba8be7c"},{"url":"https://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436"},{"url":"https://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32"},{"url":"https://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c"},{"url":"https://git.kernel.org/stable/c/ea866cab12db1a2100b400a8b03569e5bc0ee29a"},{"url":"https://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383"}],"title":"net: usb: net1080: validate packet_len before pad-byte access in rx_fixup","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64547","datePublished":"2026-07-27T20:10:37.786Z","dateReserved":"2026-07-19T15:36:31.795Z","dateUpdated":"2026-07-30T06:06:39.748Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-27 21:17:07","lastModifiedDate":"2026-07-30 06:25:58","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64547","Ordinal":"1","Title":"net: usb: net1080: validate packet_len before pad-byte access in","CVE":"CVE-2026-64547","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64547","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"net: usb: net1080: validate packet_len before pad-byte access in"}]}}}