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CVE-2012-0207

Status Candidate

Overview

The igmp_heard_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and panic) via IGMP packets.

Related Files

Red Hat Security Advisory 2012-0422-01
Posted Mar 26, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0422-01 - The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. A flaw was found in the way the Linux kernel's KVM hypervisor implementation emulated the syscall instruction for 32-bit guests. An unprivileged guest user could trigger this flaw to crash the guest.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2012-0045, CVE-2012-0207
MD5 | d630d4c19f3dbbd8c7b6ae828704abe6
Red Hat Security Advisory 2012-0350-01
Posted Mar 6, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0350-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A buffer overflow flaw was found in the way the Linux kernel's XFS file system implementation handled links with overly long path names. A local, unprivileged user could use this flaw to cause a denial of service or escalate their privileges by mounting a specially-crafted disk.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4347, CVE-2011-4594, CVE-2011-4611, CVE-2011-4622, CVE-2012-0038, CVE-2012-0045, CVE-2012-0207
MD5 | 359dbdebd900cec5fe4f8ee48ae3f1ec
Ubuntu Security Notice USN-1386-1
Posted Mar 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1386-1 - The linux kernel did not properly account for PTE pages when deciding which task to kill in out of memory conditions. A local, unprivileged could exploit this flaw to cause a denial of service. A flaw was discovered in the TOMOYO LSM's handling of mount system calls. An unprivileged user could oops the system causing a denial of service. Han-Wen Nienhuys reported a flaw in the FUSE kernel module. A local user who can mount a FUSE file system could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-2498, CVE-2011-2518, CVE-2011-3353, CVE-2011-4097, CVE-2011-4622, CVE-2012-0038, CVE-2012-0044, CVE-2012-0207, CVE-2011-2498, CVE-2011-2518, CVE-2011-3353, CVE-2011-4097, CVE-2011-4622, CVE-2012-0038, CVE-2012-0044, CVE-2012-0207
MD5 | 0f5c9c2b1f8cdf33cb82a747daa13630
Ubuntu Security Notice USN-1384-1
Posted Mar 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1384-1 - A bug was discovered in the Linux kernel's calculation of OOM (Out of memory) scores, that would result in the wrong process being killed. A user could use this to kill the process with the highest OOM score, even if that process belongs to another user or the system. Paolo Bonzini discovered a flaw in Linux's handling of the SG_IO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4097, CVE-2011-4127, CVE-2011-4622, CVE-2012-0038, CVE-2012-0055, CVE-2012-0207, CVE-2011-4097, CVE-2011-4127, CVE-2011-4622, CVE-2012-0038, CVE-2012-0055, CVE-2012-0207
MD5 | 601dd54cccb27b3b2ac90280b970ac9f
Ubuntu Security Notice USN-1380-1
Posted Feb 29, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1380-1 - The linux kernel did not properly account for PTE pages when deciding which task to kill in out of memory conditions. A local, unprivileged could exploit this flaw to cause a denial of service. A flaw was discovered in the TOMOYO LSM's handling of mount system calls. An unprivileged user could oops the system causing a denial of service. A bug was discovered in the Linux kernel's calculation of OOM (Out of memory) scores, that would result in the wrong process being killed. A user could use this to kill the process with the highest OOM score, even if that process belongs to another user or the system. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-2498, CVE-2011-2518, CVE-2011-4097, CVE-2012-0207, CVE-2011-2498, CVE-2011-2518, CVE-2011-4097, CVE-2012-0207
MD5 | cbf670852c7d33349683932e7de814a5
Red Hat Security Advisory 2012-0333-01
Posted Feb 24, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0333-01 - Updates have been made to the Linux kernel. SG_IO ioctl SCSI requests on partitions or LVM volumes could be passed to the underlying block device, allowing a privileged user to bypass restrictions and gain read and write access to the entire block device. A local, unprivileged user could use an integer overflow flaw in drm_mode_dirtyfb_ioctl() to cause a denial of service or escalate their privileges. A local, unprivileged user could use an integer overflow flaw in drm_mode_dirtyfb_ioctl() to cause a denial of service or escalate their privileges. A local, unprivileged user could use a flaw in the Performance Events implementation to cause a denial of service. Various other issues have also been addressed.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2011-2918, CVE-2011-4077, CVE-2011-4097, CVE-2011-4110, CVE-2011-4127, CVE-2011-4131, CVE-2011-4132, CVE-2012-0038, CVE-2012-0044, CVE-2012-0207, CVE-2012-0810
MD5 | acd5156e0653e244a607e8d5390d6517
Red Hat Security Advisory 2012-0168-01
Posted Feb 21, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0168-01 - The rhev-hypervisor5 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. A heap overflow flaw was found in the way QEMU-KVM emulated the e1000 network interface card. A privileged guest user in a virtual machine whose network interface is configured to use the e1000 emulated driver could use this flaw to crash the host or, possibly, escalate their privileges on the host.

tags | advisory, overflow
systems | linux, redhat
advisories | CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0029, CVE-2012-0207
MD5 | 74fef7fccdc4b73b3a72b2d4867c68aa
Ubuntu Security Notice USN-1364-1
Posted Feb 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1364-1 - A flaw was discovered in the XFS filesystem. If a local user mounts a specially crafted XFS image it could potential execute arbitrary code on the system. Andy Whitcroft discovered a that the Overlayfs filesystem was not doing the extended permission checks needed by cgroups and Linux Security Modules (LSMs). A local user could exploit this to by-pass security policy and access files that should not be accessible. Various other issues were also addressed.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2012-0038, CVE-2012-0055, CVE-2012-0056, CVE-2012-0207, CVE-2012-0038, CVE-2012-0055, CVE-2012-0056, CVE-2012-0207
MD5 | 81c901a7230d414992297f7d2373c766
Ubuntu Security Notice USN-1363-1
Posted Feb 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1363-1 - A flaw was found in KVM's Programmable Interval Timer (PIT). When a virtual interrupt control is not available a local user could use this to cause a denial of service by starting a timer. A flaw was discovered in the XFS filesystem. If a local user mounts a specially crafted XFS image it could potential execute arbitrary code on the system. Andy Whitcroft discovered a that the Overlayfs filesystem was not doing the extended permission checks needed by cgroups and Linux Security Modules (LSMs). A local user could exploit this to by-pass security policy and access files that should not be accessible. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2011-4622, CVE-2012-0038, CVE-2012-0055, CVE-2012-0207, CVE-2011-4622, CVE-2012-0038, CVE-2012-0055, CVE-2012-0207
MD5 | 5272d68bea7e1475f014348307a446fd
Red Hat Security Advisory 2012-0107-01
Posted Feb 10, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0107-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Using the SG_IO ioctl to issue SCSI requests to partitions or LVM volumes resulted in the requests being passed to the underlying block device. If a privileged user only had access to a single partition or LVM volume, they could use this flaw to bypass those restrictions and gain read and write access to the entire block device. Refer to Red Hat Knowledgebase article DOC-67874, linked to in the References, for further details about this issue.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2011-3638, CVE-2011-4086, CVE-2011-4127, CVE-2012-0028, CVE-2012-0207
MD5 | ef90d65b50c4f7cbb80e1c1de46ae42e
Ubuntu Security Notice USN-1356-1
Posted Feb 7, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1356-1 - A flaw was discovered in the XFS filesystem. If a local user mounts a specially crafted XFS image it could potential execute arbitrary code on the system. Chen Haogang discovered an integer overflow that could result in memory corruption. A local unprivileged user could use this to crash the system. A flaw was found in the linux kernels IPv4 IGMP query processing. A remote attacker could exploit this to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-0038, CVE-2012-0044, CVE-2012-0207, CVE-2012-0038, CVE-2012-0044, CVE-2012-0207
MD5 | 6347ecda19b460ba56d66884c67a8ef9
Linux IGMP Remote Denial Of Service
Posted Jan 18, 2012
Authored by Kingcope, Ben Hutchings, Firestorm

Remote Linux IGMP denial of service exploit for a vulnerability introduced in kernel 2.6.36.

tags | exploit, remote, denial of service, kernel
systems | linux
advisories | CVE-2012-0207
MD5 | 6d807144c0bbf656141dc5bf7bd083e7
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