CVE-2011-4622

The createpittimer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer PIT interrupt requests IRQs when a virtual interrupt controller irqchip is not available, which allows local users to cause a denial of service NUL...

Null pointer dereference

The createpittimer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer PIT interrupt requests IRQs when a virtual interrupt controller irqchip is not available, which allows local users to cause a denial of service NUL...

CVE-2011-4622

The createpittimer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer PIT interrupt requests IRQs when a virtual interrupt controller irqchip is not available, which allows local users to cause a denial of service NUL...

UBUNTU-CVE-2011-4622

The createpittimer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer PIT interrupt requests IRQs when a virtual interrupt controller irqchip is not available, which allows local users to cause a denial of service NUL...

kmod, kvm security update

CentOS Errata and Security Advisory CESA-2012:0051 Updated kvm packages that fix two security issues are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores...

kernel: kvm: pit timer with no irqchip crashes the system

The createpittimer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer PIT interrupt requests IRQs when a virtual interrupt controller irqchip is not available, which allows local users to cause a denial of service NUL...

[SECURITY] [DSA 2389-1] linux-2.6 security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ---------------------------------------------------------------------- Debian Security Advisory DSA-2389-1 [email protected] http://www.debian.org/security/ Dann Frazier January 15, 2012 http://www.debian.org/security/faq -...

Linux kernel 2.6.x KVM 'create_pit_timer()'函数本地拒绝服务漏洞

Bugtraq ID: 51172 CVE ID：CVE-2011-4622 Linux是一款开放源代码的操作系统。 用户空间可创建PIT但忘记了设置irqchips，在这种情况下本地攻击者可以通过PIT IRQs使主机崩溃： codeBUG: unable to handle kernel NULL pointer dereference at 0000000000000128 IP: ffffffffa10f6280 kvmsetirq+0x30/0x170 kvm ... Call Trace: ffffffffa11228c1 pitdowork+0x51/0xd0 kvm...

kvm security update

kvm-83-164.0.1.el55.25 - Added kvm-add-oracle-workaround-for-libvirt-bug.patch - Added kvm-add-oracle-workaround-for-libvirt-bug.patch kvm-83-164.el55.25 - Adding loadgsindex to kmod symbol greylist - Related: bz639886 CVE-2010-3698 kvm: invalid selector in fs/gs causes kernel panic rhel-5.5.z...

[SECURITY] [DSA-2010-1] New kvm packages fix several vulnerabilities

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-2010 [email protected] http://www.debian.org/security/ Dann Frazier March 10, 2010 http://www.debian.org/security/faq -...

Debian DSA-2010-1 : kvm - privilege escalation/denial of service

Several local vulnerabilities have been discovered in kvm, a full virtualization system. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2010-0298 CVE-2010-0306 Gleb Natapov discovered issues in the KVM subsystem where missing permission checks CPL/IOPL...

AZL-34841 CVE-2010-0309 affecting package kernel for versions less than 6.6.35.1-4

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

Design/Logic Flaw

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

AZL-6509 CVE-2010-0309 affecting package kernel for versions less than 5.10.78.1-1

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

DSA-1996-1 linux-2.6 - several vulnerabilities

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CVE-2010-0309

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

CentOS 5 : kvm (CESA-2010:0088)

Updated kvm packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machine is a full virtualization solution for...

kvm: cat /dev/port in guest cause the host hang

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

kvm: cat /dev/port in guest cause the host hang

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

Important: Red Hat Security Advisory: kvm security and bug fix update

Updated kvm packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machine is a full virtualization solution for...