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CVE-2012-1097

Status Candidate

Overview

The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.

Related Files

Red Hat Security Advisory 2012-1042-01
Posted Jun 26, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1042-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. 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. It was found that the kvm_vm_ioctl_assign_device() function in the KVM subsystem of a Linux kernel did not check if the user requesting device assignment was privileged or not. A local, unprivileged user on the host could assign unused PCI devices, or even devices that were in use and whose resources were not properly claimed by the respective drivers, which could result in the host crashing.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2011-4347, CVE-2012-0038, CVE-2012-0044, CVE-2012-1097, CVE-2012-1179
SHA-256 | 40cee47ca38fd36212e40e2fc4e2a93d9ca6eec1d81c1a7cbc0f4200899d8b20
Ubuntu Security Notice USN-1458-1
Posted Jun 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1458-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. H. Peter Anvin reported a flaw in the Linux kernel that could crash the system. A local user could exploit this flaw to crash the system. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4086, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-2100, CVE-2011-4086, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-2100
SHA-256 | 351dbb8a5b12503c42271509730cb86bad79aba2f4a02c0d7863862d1499e767
Ubuntu Security Notice USN-1440-1
Posted May 9, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1440-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4086, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-2100, CVE-2011-4086, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-2100
SHA-256 | a0bc278da385b31cfe46ccd1ea6aa31d7dd04bed4a06bb0e7207f3a236fdd376
Ubuntu Security Notice USN-1433-1
Posted May 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1433-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4086, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-1179, CVE-2011-4086, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-1179
SHA-256 | d91c996ccff95c6d7dd3c3aa09f0a4d61c622e96df26b9dd2000e3472ca4feec
Ubuntu Security Notice USN-1431-1
Posted May 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1431-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4086, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-1179, CVE-2011-4086, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-1179
SHA-256 | 1f6883f19f9a2b1057e35bd8aa804fda23a4a1a09b6012236c8db13c99741688
Ubuntu Security Notice USN-1425-1
Posted Apr 25, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1425-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097
SHA-256 | a4ebb7a7d3610540b7ba067052a88fae2ed7b25106dd60474cf0e6ff6f66a43e
Ubuntu Security Notice USN-1426-1
Posted Apr 25, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1426-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097
SHA-256 | b20a8fb0dbc0f6baf45551dad251eb25da8310f6bbb52386c56274a4a333a333
Red Hat Security Advisory 2012-0481-01
Posted Apr 17, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0481-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Numerous reference count leaks were found in the Linux kernel's block layer I/O context handling implementation. This could allow a local, unprivileged user to cause a denial of service. A flaw was found in the Linux kernel's cifs_lookup() implementation. POSIX open during lookup should only be supported for regular files. When non-regular files pipe or other special files) are opened on lookup, it could cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat, osx
advisories | CVE-2012-0879, CVE-2012-1090, CVE-2012-1097
SHA-256 | 78cac8316e6792e90be570ad7b19b774306f7645a32558fb04f1fee0214daf09
Ubuntu Security Notice USN-1422-1
Posted Apr 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1422-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146, CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146
SHA-256 | bf943afabe2b178efa14db2ffd2c372b54a5c09d7ebd314672fb98ad08653599
Ubuntu Security Notice USN-1421-1
Posted Apr 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1421-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146, CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146
SHA-256 | 8f5ffc23204a00c78465f73eb061c75c15675500d33d72427c6adbb209274eef
Debian Security Advisory 2443-1
Posted Mar 28, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2443-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2009-4307, CVE-2011-1833, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097
SHA-256 | d50bf6dbe234272263b4d756659d95d7bab63dffdef93404c1f40535771db5b3
Ubuntu Security Notice USN-1406-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1406-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan B=C3=A4rwolf discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146, CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146
SHA-256 | daec70c79148be4f16814b730209fb95008de030d988a2c710ae8fd2ecd47c4a
Ubuntu Security Notice USN-1407-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1407-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan B=C3=A4rwolf discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146, CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146
SHA-256 | 855ba7a3106fee31b467fdbdd5e12d64132663a4fd40edb37894503c1311c4b8
Ubuntu Security Notice USN-1405-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1405-1 - Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service. 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, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-3347, CVE-2011-4127, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2011-3347, CVE-2011-4127, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146
SHA-256 | a1810aa0224d5610b94f222d0d0a5584fecdd12de16b48ca1b2e4fb4599134d2
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