{"cve":"CVE-2026-64547","nvd":{"published":"2026-07-27T21:17:07.427","modified":"2026-10-19T21:17:44.767","status":"Received","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.","cvss_v4":null,"cvss_v3":{"version":"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},"cwes":["CWE-125"],"references":["https://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383","https://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32","https://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436","https://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c","https://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:56:58.798400159+00:00"},"epss":{"cve":"CVE-2026-64547","score":0.00284,"percentile":0.20737,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}