Division by zero in Linux kernel - CVE-2015-4003
Published: June 8, 2015 / Updated: January 20, 2023
Vulnerability identifier: #VU91383
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2015-4003
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2015-4003
Install update from vendor's website.
Sources
- http://openwall.com/lists/oss-security/2015/06/05/7
- https://github.com/torvalds/linux/commit/04bf464a5dfd9ade0dda918e44366c2c61fce80b
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04bf464a5dfd9ade0dda918e44366c2c61fce80b
- http://www.securityfocus.com/bid/74668
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://www.ubuntu.com/usn/USN-2667-1
- http://www.ubuntu.com/usn/USN-2665-1