Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-2689-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2689-1 advisory. Andy Lutomirski discovered a flaw in the Linux kernel's handling of nested NMIs non-maskable interrupts. An unprivileged local user could exploit this fl...

USN-2688-1: Linux kernel vulnerabilities

Andy Lutomirski discovered a flaw in the Linux kernel's handling of nested NMIs non-maskable interrupts. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-3290 Colin King discovered a flaw in the addkey...

USN-2687-1: Linux kernel (Trusty HWE) vulnerabilities

Andy Lutomirski discovered a flaw in the Linux kernel's handling of nested NMIs non-maskable interrupts. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-3290 Colin King discovered a flaw in the addkey...

Debian DSA-3313-1 : linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation or denial of service. - CVE-2015-3290 Andy Lutomirski discovered that the Linux kernel does not properly handle nested NMIs. A local, unprivileged user could use this flaw for privilege...

CVE-2015-3291

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service skipped NMI by modifying the rsp register, issuing a syscall instruction, and triggering an NM...

UBUNTU-CVE-2015-3291

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service skipped NMI by modifying the rsp register, issuing a syscall instruction, and triggering an NM...

CVE-2015-3290

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window...

Debian Security Advisory DSA 3313-1 (linux - security update)

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation or denial of service. CVE-2015-3290 Andy Lutomirski discovered that the Linux kernel does not properly handle nested NMIs. A local, unprivileged user could use this flaw for privilege...

PT-2015-6139

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.1.6 Description The issue allows local users to cause a denial of service by modifying the rsp register, issuing a syscall instruction, and triggering an NMI, due to improper determination of nested NMI...

SUSE SLES11 Security Update : xen (SUSE-SU-2014:1732-1)

xen was updated to fix 10 security issues : - Guest effectable page reference leak in MMUMACHPHYSUPDATE handling CVE-2014-9030. - Insufficient bounding of 'REP MOVS' to MMIO emulated inside the hypervisor CVE-2014-8867. - Missing privilege level checks in x86 emulation of far branches...

CVE-2014-9065

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability to CVE-2014-9066...

Code injection

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability to CVE-2014-9066...

Code injection

Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability than...

CVE-2014-9065

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability to CVE-2014-9066...

CVE-2014-9066

Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability than...

CVE-2014-9065

CVE-2014-9065 affects Xen 4.4.x and earlier. The issue lies in common/spinlock.c where read/write lock handling is incomplete, enabling local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) by issuing a large number of read requests. Connected do...

CVE-2014-9065

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability to CVE-2014-9066...

CVE-2014-9066: Undefined Security Weakness

Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service write denial or NMI watchdog timeout and host crash via a large number of read requests, a different vulnerability than...

p2m lock starvation

ISSUE DESCRIPTION The current read/write lock implementation is read-biased, which allows a consistent stream of readers to starve writers indefinitely. There are certain rwlocks where guests are capable of applying arbitrary read pressure. IMPACT A malicious guest administrator can deny service ...

RHEL 6 : kernel (RHSA-2014:1365)

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 6.4 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a...