CVE-2015-4002

Severity: critical (CVSS 9.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-06-07 · updated 2026-06-17
Weakness: CWE-119

Description

drivers/staging/ozwpan/ozusbsvc1.c in the OZWPAN driver in the Linux kernel through 4.0.5 does not ensure that certain length values are sufficiently large, which allows remote attackers to cause a denial of service (system crash or large loop) or possibly execute arbitrary code via a crafted packet, related to the (1) oz_usb_rx and (2) oz_usb_handle_ep_data functions.

Affected products

Canonical Ubuntu Linux: 14.04, 15.10
Linux kernel: before 3.4.109; from 3.5 before 3.10.81; from 3.11 before 3.12.45; from 3.13 before 3.14.45; from 3.15 before 3.16.35; from 3.17 before 3.18.18 — fixed in 3.10.81, 3.12.45, 3.14.45, 3.16.35, 3.18.18, 3.4.109
Opensuse: 13.2

How to fix

Upgrade to a fixed version: Linux kernel 3.10.81, 3.12.45, 3.14.45, 3.16.35. Check the vendor advisory for mitigations.

References

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