Information exposure in Linux kernel

1) Information exposure

EUVDB-ID: #VU92802

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-0777

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

drivers/xen/usbback/usbback.c in linux-2.6.18-xen-3.4.0 (aka the Xen 3.4.x support patches for the Linux kernel 2.6.18), as used in the Linux kernel 2.6.x and 3.x in SUSE Linux distributions, allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory via unspecified vectors.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
http://www.securityfocus.com/bid/73921
http://bugzilla.novell.com/show_bug.cgi?id=917830

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.