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Ubuntu 12.04 LTS : linux vulnerabilities (USN-2773-1)

medium Nessus Plugin ID 86465

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Synopsis

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

Description

It was discovered that virtio networking in the Linux kernel did not handle fragments correctly, leading to kernel memory corruption. A remote attacker could use this to cause a denial of service (system crash) or possibly execute code with administrative privileges.
(CVE-2015-5156)

It was discovered that the Reliable Datagram Sockets (RDS) implementation in the Linux kernel did not verify sockets were properly bound before attempting to send a message, which could cause a NULL pointer dereference. An attacker could use this to cause a denial of service (system crash). (CVE-2015-6937).

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.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/2773-1/

Plugin Details

Severity: Medium

ID: 86465

File Name: ubuntu_USN-2773-1.nasl

Version: 2.11

Type: local

Agent: unix

Published: 10/20/2015

Updated: 1/19/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/19/2015

Vulnerability Publication Date: 10/19/2015

Reference Information

CVE: CVE-2015-5156, CVE-2015-6937

USN: 2773-1