Information exposure in Linux kernel usb core driver



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-4482
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information exposure

EUVDB-ID: #VU92465

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-4482

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to information exposure error within the proc_getdriver() function in drivers/usb/core/devio.c. A local non-authenticated attacker can gain access to sensitive information.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=681fef8380eb818c0b845fca5d2ab1dcbab114ee
https://bugzilla.redhat.com/show_bug.cgi?id=1332931
https://www.openwall.com/lists/oss-security/2016/05/04/2
https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee
https://lists.fedoraproject.org/pipermail/package-announce/2016-May/184414.html
https://www.ubuntu.com/usn/USN-3017-2
https://www.ubuntu.com/usn/USN-3018-2
https://www.ubuntu.com/usn/USN-3016-4
https://www.ubuntu.com/usn/USN-3016-1
https://www.ubuntu.com/usn/USN-3016-2
https://www.ubuntu.com/usn/USN-3016-3
https://www.ubuntu.com/usn/USN-3018-1
https://www.ubuntu.com/usn/USN-3019-1
https://www.ubuntu.com/usn/USN-3017-3
https://www.ubuntu.com/usn/USN-3020-1
https://www.ubuntu.com/usn/USN-3017-1
https://www.ubuntu.com/usn/USN-3021-1
https://www.ubuntu.com/usn/USN-3021-2
https://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
https://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
https://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
https://www.debian.org/security/2016/dsa-3607
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
https://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
https://www.securityfocus.com/bid/90029
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###