Ubuntu 10.04 LTS : linux vulnerabilities (USN-1792-1)

Medium Nessus Plugin ID 65868


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


Mathias Krause discovered several errors in the Linux kernel's xfrm_user implementation. A local attacker could exploit these flaws to examine parts of kernel memory. (CVE-2012-6537)

Mathias Krause discovered information leak in the Linux kernel's compat ioctl interface. A local user could exploit the flaw to examine parts of kernel stack memory (CVE-2012-6539)

Mathias Krause discovered an information leak in the Linux kernel's getsockopt for IP_VS_SO_GET_TIMEOUT. A local user could exploit this flaw to examine parts of kernel stack memory. (CVE-2012-6540)

Emese Revfy discovered that in the Linux kernel signal handlers could leak address information across an exec, making it possible to by pass ASLR (Address Space Layout Randomization). A local user could use this flaw to by pass ASLR to reliably deliver an exploit payload that would otherwise be stopped (by ASLR). (CVE-2013-0914)

A memory use after free error was discover in the Linux kernel's tmpfs filesystem. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). (CVE-2013-1767)

Mateusz Guzik discovered a race in the Linux kernel's keyring. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-1792).

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: 65868

File Name: ubuntu_USN-1792-1.nasl

Version: $Revision: 1.8 $

Type: local

Agent: unix

Published: 2013/04/09

Modified: 2016/10/26

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.2

Temporal Score: 5.4

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-386, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-generic-pae, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-lpia, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-preempt, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-server, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-versatile, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-virtual, cpe:/o:canonical:ubuntu_linux:10.04:-: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: 2013/04/08

Reference Information

CVE: CVE-2012-6537, CVE-2012-6539, CVE-2012-6540, CVE-2013-0914, CVE-2013-1767, CVE-2013-1792

BID: 58426, 58977, 58985, 58986

USN: 1792-1