[USN-2446-1] Linux kernel vulnerabilities

Severity High

Affected Packages 9

CVEs 9

Several security issues were fixed in the kernel.

Andy Lutomirski discovered that the Linux kernel does not properly handle
faults associated with the Stack Segment (SS) register in the x86
architecture. A local attacker could exploit this flaw to gain
administrative privileges. (CVE-2014-9322)

An information leak in the Linux kernel was discovered that could leak the
high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine
(KVM) paravirt guests. A user in the guest OS could exploit this leak to
obtain information that could potentially be used to aid in attacking the
kernel. (CVE-2014-8134)

Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace
subsystem of the Linux kernel does not properly handle private syscall
numbers. A local user could exploit this flaw to cause a denial of service
(OOPS). (CVE-2014-7826)

A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel was discovered. A
remote attacker could exploit this flaw to cause a denial of service
(system crash). (CVE-2014-3673)

A flaw in the handling of duplicate ASCONF chunks by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel was discovered. A
remote attacker could exploit this flaw to cause a denial of service
(panic). (CVE-2014-3687)

It was discovered that excessive queuing by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel can cause memory
pressure. A remote attacker could exploit this flaw to cause a denial of
service. (CVE-2014-3688)

Rabin Vincent, Robert Swiecki, Russell Kinglaw discovered a flaw in how the
perf subsystem of the Linux kernel handles private systecall numbers. A
local user could exploit this to cause a denial of service (OOPS) or bypass
ASLR protections via a crafted application. (CVE-2014-7825)

The KVM (kernel virtual machine) subsystem of the Linux kernel
miscalculates the number of memory pages during the handling of a mapping
failure. A guest OS user could exploit this to cause a denial of service
(host OS page unpinning) or possibly have unspecified other impact by
leveraging guest OS privileges. (CVE-2014-8369)

Andy Lutomirski discovered that the Linux kernel does not properly handle
faults associated with the Stack Segment (SS) register on the x86
architecture. A local attacker could exploit this flaw to cause a denial of
service (panic). (CVE-2014-9090)

Package	Affected Version
pkg:deb/ubuntu/linux-image-extra-3.13.0-43-generic?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc64-smp?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc64-emb?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc-smp?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc-e500mc?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc-e500?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-lowlatency?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-generic?distro=trusty	< 3.13.0-43.72
pkg:deb/ubuntu/linux-image-3.13.0-43-generic-lpae?distro=trusty	< 3.13.0-43.72

ID

USN-2446-1

Severity

high

URL

https://ubuntu.com/security/notices/USN-2446-1

Published

2014-12-12T07:43:36
(9 years ago)

Modified

2014-12-12T07:43:36
(9 years ago)

Other Advisories

Type	Package URL	Namespace	Name / Product	Version	Distribution / Platform
Affected	pkg:deb/ubuntu/linux-image-extra-3.13.0-43-generic?distro=trusty	ubuntu	linux-image-extra-3.13.0-43-generic	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc64-smp?distro=trusty	ubuntu	linux-image-3.13.0-43-powerpc64-smp	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc64-emb?distro=trusty	ubuntu	linux-image-3.13.0-43-powerpc64-emb	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc-smp?distro=trusty	ubuntu	linux-image-3.13.0-43-powerpc-smp	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc-e500mc?distro=trusty	ubuntu	linux-image-3.13.0-43-powerpc-e500mc	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-powerpc-e500?distro=trusty	ubuntu	linux-image-3.13.0-43-powerpc-e500	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-lowlatency?distro=trusty	ubuntu	linux-image-3.13.0-43-lowlatency	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-generic?distro=trusty	ubuntu	linux-image-3.13.0-43-generic	< 3.13.0-43.72	trusty
Affected	pkg:deb/ubuntu/linux-image-3.13.0-43-generic-lpae?distro=trusty	ubuntu	linux-image-3.13.0-43-generic-lpae	< 3.13.0-43.72	trusty

# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	Exploits	PoC	Pubblication Date	Modification Date
# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	PoC	Pubblication Date	Modification Date