Scientific Linux Security Update : kernel on SL6.x i386/x86_64

Medium Nessus Plugin ID 71491

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

* A flaw was found in the way the Linux kernel's TCP/IP protocol suite implementation handled sending of certain UDP packets over sockets that used the UDP_CORK option when the UDP Fragmentation Offload (UFO) feature was enabled on the output device. A local, unprivileged user could use this flaw to cause a denial of service or, potentially, escalate their privileges on the system. (CVE-2013-4470, Important)

* A divide-by-zero flaw was found in the apic_get_tmcct() function in KVM's Local Advanced Programmable Interrupt Controller (LAPIC) implementation. A privileged guest user could use this flaw to crash the host. (CVE-2013-6367, Important)

* A memory corruption flaw was discovered in the way KVM handled virtual APIC accesses that crossed a page boundary. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system. (CVE-2013-6368, Important)

* An information leak flaw in the Linux kernel could allow a local, unprivileged user to leak kernel memory to user space. (CVE-2013-2141, Low)

This update also fixes several bugs and adds two enhancements.

The system must be rebooted for this update to take effect.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?6420d156

Plugin Details

Severity: Medium

ID: 71491

File Name: sl_20131212_kernel_on_SL6_x.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2013/12/17

Updated: 2018/12/31

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.9

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

Vulnerability Information

CPE: x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 2013/12/12

Reference Information

CVE: CVE-2013-2141, CVE-2013-4470, CVE-2013-6367, CVE-2013-6368