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Debian DSA-1864-1 : linux-2.6.24 - privilege escalation

high Nessus Plugin ID 44729

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Synopsis

The remote Debian host is missing a security-related update.

Description

A vulnerability has been discovered in the Linux kernel that may lead to privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problem :

 - CVE-2009-2692 Tavis Ormandy and Julien Tinnes discovered an issue with how the sendpage function is initialized in the proto_ops structure. Local users can exploit this vulnerability to gain elevated privileges.

Solution

Upgrade the linux-2.6.24 packages.

For the oldstable distribution (etch), this problem has been fixed in version 2.6.24-6~etchnhalf.8etch3.

Note: Debian 'etch' includes linux kernel packages based upon both the 2.6.18 and 2.6.24 linux releases. All known security issues are carefully tracked against both packages and both packages will receive security updates until security support for Debian 'etch' concludes.
However, given the high frequency at which low-severity security issues are discovered in the kernel and the resource requirements of doing an update, lower severity 2.6.18 and 2.6.24 updates will typically release in a staggered or 'leap-frog' fashion.

See Also

https://security-tracker.debian.org/tracker/CVE-2009-2692

https://www.debian.org/security/2009/dsa-1864

Plugin Details

Severity: High

ID: 44729

File Name: debian_DSA-1864.nasl

Version: 1.17

Type: local

Agent: unix

Published: 2/24/2010

Updated: 1/4/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:linux-2.6.24, cpe:/o:debian:debian_linux:4.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/16/2009

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Linux Kernel Sendpage Local Privilege Escalation)

Reference Information

CVE: CVE-2009-2692

BID: 36038

CWE: 119

DSA: 1864