NULL pointer dereference in Linux kernel - CVE-2013-7339

Vulnerability identifier: #VU41891

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2013-7339

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a bind system call for an RDS socket on a system that lacks RDS transports.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
linux-lts-saucy (Ubuntu package)

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

linux (Ubuntu package) - addressed in versions 2.6.32-60.122, 3.2.0-60.91, 3.11.0-17.31
linux-lts-quantal (Ubuntu package) - update to 3.5.0-47.71~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-37.53~precise1
linux-lts-saucy (Ubuntu package) - update to 3.11.0-17.31~precise1

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c2349758acf1874e4c2b93fe41d072336f1a31d0
• http://secunia.com/advisories/59386
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8
• http://www.openwall.com/lists/oss-security/2014/03/20/14
• http://www.securityfocus.com/bid/66351
• https://bugzilla.redhat.com/show_bug.cgi?id=1079214
• https://github.com/torvalds/linux/commit/c2349758acf1874e4c2b93fe41d072336f1a31d0

• NULL pointer dereference in Linux kernel
• Ubuntu update for linux
• Ubuntu update for linux-lts-saucy
• Ubuntu update for linux-lts-raring
• Ubuntu update for linux-lts-quantal
• Ubuntu update for linux
• Ubuntu update for linux