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Ubuntu 11.10 : linux vulnerabilities (USN-1689-1)

low Nessus Plugin ID 63540

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Synopsis

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

Description

Jon Howell reported a flaw in the Linux kernel's KVM (Kernel-based virtual machine) subsystem's handling of the XSAVE feature. On hosts, using qemu userspace, without the XSAVE feature an unprivileged local attacker could exploit this flaw to crash the system. (CVE-2012-4461)

A flaw was discovered in the Linux kernel's handling of script execution when module loading is enabled. A local attacker could exploit this flaw to cause a leak of kernel stack contents.
(CVE-2012-4530).

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/1689-1/

Plugin Details

Severity: Low

ID: 63540

File Name: ubuntu_USN-1689-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 1/15/2013

Updated: 9/19/2019

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: 4.2

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.0-server, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.0-generic-pae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.0-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.0-virtual, cpe:/o:canonical:ubuntu_linux:11.10

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: 1/15/2013

Vulnerability Publication Date: 1/22/2013

Reference Information

CVE: CVE-2012-4461, CVE-2012-4530

BID: 55878, 56414

USN: 1689-1