Resource management error in Linux kernel

1) Resource management error

EUVDB-ID: #VU42794

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2148

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The fill_event_metadata function in fs/notify/fanotify/fanotify_user.c in the Linux kernel through 3.9.4 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory via a read operation on the fanotify descriptor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 3.9 - 3.9.3

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:3.9:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.9.0:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.9.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.9.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.9.3:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
https://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
https://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
https://lkml.org/lkml/2013/6/3/128
https://www.openwall.com/lists/oss-security/2013/06/05/26
https://www.ubuntu.com/usn/USN-1929-1
https://www.ubuntu.com/usn/USN-1930-1
https://bugzilla.redhat.com/show_bug.cgi?id=971258

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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