Division by zero in Linux kernel - CVE-2015-4003

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Main Vulnerability Database Vulnerabilities #VU91383

Division by zero in Linux kernel - CVE-2015-4003

Published: June 8, 2015 / Updated: January 20, 2023


Vulnerability identifier: #VU91383
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-4003
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a division by zero error within the oz_usb_handle_ep_data() function in drivers/staging/ozwpan/ozusbsvc1.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
linux-lts-utopic (Ubuntu package)
linux-lts-vivid (Ubuntu package)

How to mitigate CVE-2015-4003

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 3.13.0-57.95, 3.16.0-43.58, 3.19.0-22.22
linux-lts-trusty (Ubuntu package) - update to 3.13.0-57.95~precise1
linux-lts-utopic (Ubuntu package) - update to 3.16.0-43.58~14.04.1
linux-lts-vivid (Ubuntu package) - update to 3.19.0-22.22~14.04.1

External References

Related Security Bulletins