[USN-2441-1] Linux kernel vulnerabilities

========================================================================== Ubuntu Security Notice USN-2441-1 December 12, 2014 linux vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: -...

USN-2447-2: Linux kernel (Utopic HWE) regression

USN-2447-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discover...

USN-2448-2: Linux kernel regression

USN-2448-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discover...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2446-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2446-1 advisory. Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment SS register in the x86 architecture. A...

USN-2447-1: Linux kernel (Utopic HWE) vulnerabilities

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...

USN-2445-1: Linux kernel (Trusty HWE) vulnerabilities

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...

USN-2442-1: Linux kernel (EC2) vulnerabilities

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...

USN-2441-1: Linux kernel vulnerabilities

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...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-2417-1)

Nadav Amit reported that the KVM Kernel Virtual Machine mishandles noncanonical addresses when emulating instructions that change the rip Instruction Pointer. A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service system crash of the guest. CVE-2014-3647 A flaw...

Debian Security Advisory DSA 3060-1 (linux - security update)

Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service: CVE-2014-3610 Lars Bull of Google and Nadav Amit reported a flaw in how KVM handles noncanonical writes to certain MSR registers. A privileged guest user can exploit this flaw to cause a denial ...

DSA-3060-1 linux - security update

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Oracle Linux 5 : kernel (ELSA-2014-1143)

The remote Oracle Linux 5 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2014-1143 advisory. - audit auditsc: auditkrule mask accesses need bounds checking Denys Vlasenko 1102702 1102703 CVE-2014-3917 Tenable has extracted the preceding description bloc...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, ...

VUPEN Security Research - Mozilla Firefox "BumpChunk" Object Processing Use-after-free (Pwn2Own)

VUPEN Security Research - Mozilla Firefox "BumpChunk" Object Processing Use-after-free Pwn2Own Website : http://www.vupen.com Twitter : http://twitter.com/vupen I. BACKGROUND --------------------- "Mozilla Firefox is a free and open-source web browser developed for Windows, OS X, and Linux, with ...

Ubuntu 12.04 LTS / 12.10 / 13.10 : thunderbird vulnerabilities (USN-2151-1)

Benoit Jacob, Olli Pettay, Jan Varga, Jan de Mooij, Jesse Ruderman, Dan Gohman and Christoph Diehl discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause...

Use-after-free in TypeObject — Mozilla

Security research firm VUPEN, via TippingPoint's Pwn2Own contest, reported that memory pressure during Garbage Collection could lead to memory corruption of TypeObjects in the JS engine, resulting in an exploitable use-after-free condition...

Fedora 19 : xen-4.2.4-2.fc19 (2014-2862)

32-bit fix for 'Guest triggerable AMD CPU erratum may cause host hang', xen-4.2.4 also fixes XSA-60, CVE-2013-2212 update to xen-4.2.4 use-after-free in xccpupoolgetinfo under memory pressure Note that Tenable Network Security has extracted the preceding description block directly from the Fedora...

use-after-free in xc_cpupool_getinfo() under memory pressure

ISSUE DESCRIPTION If xccpumapalloc fails then xccpupoolgetinfo will free and incorrectly return the then-free pointer to the result structure. IMPACT An attacker may be able to cause a multi-threaded toolstack using this function to race against itself leading to heap corruption and a potential...

kernel security and bug fix update

kernel 2.6.18-371.1.2.0.1 - i386: fix MTRR code Zhenzhong Duan orabug 15862649 - oprofile x86, mm: Add getuserpagesfast orabug 14277030 - oprofile export getuserpagesfast function orabug 14277030 - oprofile oprofile, x86: Fix nmi-unsafe callgraph support orabug 14277030 - oprofile oprofile: use...

CVE-2013-4371

Use-after-free vulnerability in the libxllistcpupool function in the libxl toolstack library in Xen 4.2.x and 4.3.x, when running "under memory pressure," returns the original pointer when the realloc function fails, which allows local users to cause a denial of service heap corruption and crash...