Resource management error in Linux kernel - CVE-2013-2634
Published: March 22, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42971
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-2013-2634
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.
net/dcb/dcbnl.c in the Linux kernel before 3.8.4 does not initialize certain structures, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
How to mitigate CVE-2013-2634
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 2.6.32-47.109, 3.2.0-41.66, 3.5.0-28.48
linux-lts-quantal (Ubuntu package) - update to 3.5.0-28.48~precise1
linux-lts-quantal (Ubuntu package) - update to 3.5.0-28.48~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29cd8ae0e1a39e239a3a7b67da1986add1199fc0
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://rhn.redhat.com/errata/RHSA-2013-1051.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/03/20/1
- http://www.ubuntu.com/usn/USN-1809-1
- http://www.ubuntu.com/usn/USN-1811-1
- http://www.ubuntu.com/usn/USN-1812-1
- http://www.ubuntu.com/usn/USN-1813-1
- http://www.ubuntu.com/usn/USN-1814-1
- http://www.ubuntu.com/usn/USN-1829-1
- https://bugzilla.redhat.com/show_bug.cgi?id=923652
- https://github.com/torvalds/linux/commit/29cd8ae0e1a39e239a3a7b67da1986add1199fc0