Ubuntu 12.04 LTS : linux vulnerabilities (USN-1644-1)

Medium Nessus Plugin ID 63116


The remote Ubuntu host is missing one or more security-related patches.


Brad Spengler discovered a flaw in the Linux kernel's uname system call. An unprivileged user could exploit this flaw to read kernel stack memory. (CVE-2012-0957)

Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois congestion control algorithm. A local attacker could use this to cause a denial of service. (CVE-2012-4565).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected packages.

Plugin Details

Severity: Medium

ID: 63116

File Name: ubuntu_USN-1644-1.nasl

Version: $Revision: 1.8 $

Type: local

Agent: unix

Published: 2012/12/02

Modified: 2016/10/26

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-generic-pae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-highbank, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-virtual, cpe:/o:canonical:ubuntu_linux:12.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2012/11/30

Reference Information

CVE: CVE-2012-0957, CVE-2012-4565

BID: 55855, 56346

OSVDB: 86133, 88048

USN: 1644-1