CVE-2026-64547High· 8.1▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: net: usb: net1080: validate packet_len before pad-byte access in rx_fixup For an even packet_len, net1080_rx_fixup() reads the pad byte at skb->data[packet_len] before…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 44.6 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
0.3% → 0.3%
In the Linux kernel, the following vulnerability has been resolved:
net: usb: net1080: validate packet_len before pad-byte access in rx_fixup
For an even packet_len, net1080_rx_fixup() reads the pad byte at skb->data[packet_len] before the skb->len != packet_len check further down, and packet_len is only bounded against NC_MAX_PACKET. A malicious NetChip 1080 device can send a short frame advertising a large even packet_len (e.g. 0x4000), so the pad-byte read lands past the end of the skb:
BUG: KASAN: slab-out-of-bounds in net1080_rx_fixup Read of size 1 at addr ffff8880106c83c6 by task ksoftirqd/0/14 ... net1080_rx_fixup (drivers/net/usb/net1080.c:384) usbnet_bh (drivers/net/usb/usbnet.c:1589) process_one_work (kernel/workqueue.c:3322) bh_worker (kernel/workqueue.c:3708) tasklet_action (kernel/softirq.c:965) handle_softirqs (kernel/softirq.c:622) ...
Reject the frame when packet_len >= skb->len before reading.
Linux >= 904813cd8a0b334189da285bb05af0b18b062502 < f42217fa7d535e9ec4151f7971f06f6ea65e850aLinux >= 904813cd8a0b334189da285bb05af0b18b062502 < c087749815379e9af2fdbeb08bfc33870b103958Linux >= 904813cd8a0b334189da285bb05af0b18b062502 < e4a87126c085b097d29e17e3b7647295bba8be7cLinux >= 904813cd8a0b334189da285bb05af0b18b062502 < 685e92934f11d5e215dad58813e2f9955ac2f436Linux >= 904813cd8a0b334189da285bb05af0b18b062502 < 4dc8484be3302d187274364820d3bef6c62bde32Linux >= 904813cd8a0b334189da285bb05af0b18b062502 < b153cfe84b1340c69a13d0957665a2bfcf21239cLinux >= 904813cd8a0b334189da285bb05af0b18b062502 < ea866cab12db1a2100b400a8b03569e5bc0ee29aLinux >= 904813cd8a0b334189da285bb05af0b18b062502 < 03f384bc0cb8d4a1301d4f5b0baef2d980258383Linux 2.6.14Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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