Resource management error in Linux kernel - CVE-2013-2148
Published: June 7, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42794
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2013-2148
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
How to mitigate CVE-2013-2148
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 3.2.0-52.78, 3.5.0-39.60, 3.8.0-29.42
linux-lts-quantal (Ubuntu package) - update to 3.5.0-39.60~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-29.42~precise1
linux-lts-quantal (Ubuntu package) - update to 3.5.0-39.60~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-29.42~precise1
External References
- http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://lkml.org/lkml/2013/6/3/128
- http://www.openwall.com/lists/oss-security/2013/06/05/26
- http://www.ubuntu.com/usn/USN-1929-1
- http://www.ubuntu.com/usn/USN-1930-1
- https://bugzilla.redhat.com/show_bug.cgi?id=971258