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CVE-2014-0155

Status Candidate

Overview

The ioapic_deliver function in virt/kvm/ioapic.c in the Linux kernel through 3.14.1 does not properly validate the kvm_irq_delivery_to_apic return value, which allows guest OS users to cause a denial of service (host OS crash) via a crafted entry in the redirection table of an I/O APIC. NOTE: the affected code was moved to the ioapic_service function before the vulnerability was announced.

Related Files

Ubuntu Security Notice USN-2337-1
Posted Sep 2, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2337-1 - A flaw was discovered in the Linux kernel virtual machine's (kvm) validation of interrupt requests (irq). A guest OS user could exploit this flaw to cause a denial of service (host OS crash). Andy Lutomirski discovered a flaw in the authorization of netlink socket operations when a socket is passed to a process of more privilege. A local user could exploit this flaw to bypass access restrictions by having a privileged executable do something it was not intended to do. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0155, CVE-2014-0181, CVE-2014-0206, CVE-2014-4014, CVE-2014-4027, CVE-2014-4171, CVE-2014-4508, CVE-2014-4652, CVE-2014-4653, CVE-2014-4654, CVE-2014-4655, CVE-2014-4656, CVE-2014-4667, CVE-2014-5045
SHA-256 | 5ea5d0d4314836f6fa6b24d0a0cb4c1a706d5ad137e84b32d12c47f0bb15b899
Ubuntu Security Notice USN-2336-1
Posted Sep 2, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2336-1 - A flaw was discovered in the Linux kernel virtual machine's (kvm) validation of interrupt requests (irq). A guest OS user could exploit this flaw to cause a denial of service (host OS crash). Andy Lutomirski discovered a flaw in the authorization of netlink socket operations when a socket is passed to a process of more privilege. A local user could exploit this flaw to bypass access restrictions by having a privileged executable do something it was not intended to do. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0155, CVE-2014-0181, CVE-2014-0206, CVE-2014-4014, CVE-2014-4027, CVE-2014-4171, CVE-2014-4508, CVE-2014-4652, CVE-2014-4653, CVE-2014-4654, CVE-2014-4655, CVE-2014-4656, CVE-2014-4667, CVE-2014-5045
SHA-256 | dc7e46f4955a3c32910dc04c40a47f9d4510df5db2814339aa3608859251c2df
Ubuntu Security Notice USN-2241-1
Posted Jun 6, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2241-1 - Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges. A flaw was discovered in the Linux kernel virtual machine's (kvm) validation of interrupt requests (irq). A guest OS user could exploit this flaw to cause a denial of service (host OS crash). An information leak was discovered in the netfilter subsystem of the Linux kernel. An attacker could exploit this flaw to obtain sensitive information from kernel memory. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0155, CVE-2014-2568, CVE-2014-3122, CVE-2014-3153
SHA-256 | 9f556c84725fa489406fed432596d83e8cf96d8721c948a8dde8225ec5175290
Ubuntu Security Notice USN-2239-1
Posted Jun 6, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2239-1 - Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges. A flaw was discovered in the Linux kernel virtual machine's (kvm) validation of interrupt requests (irq). A guest OS user could exploit this flaw to cause a denial of service (host OS crash). An information leak was discovered in the netfilter subsystem of the Linux kernel. An attacker could exploit this flaw to obtain sensitive information from kernel memory. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0155, CVE-2014-2568, CVE-2014-3122, CVE-2014-3153
SHA-256 | f6d854244ec1173e8de754f9b5576ff1b8318f1ad9b43e7ebffa38a9f1eff412
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