Advisory Published

USN-1186-1: Linux kernel vulnerabilities

First published: Tue Aug 09 2011(Updated: )

Dan Rosenberg discovered that IPC structures were not correctly initialized on 64bit systems. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4073) Steve Chen discovered that setsockopt did not correctly check MSS values. A local attacker could make a specially crafted socket call to crash the system, leading to a denial of service. (CVE-2010-4165) Vladymyr Denysov discovered that Xen virtual CD-ROM devices were not handled correctly. A local attacker in a guest could make crafted blkback requests that would crash the host, leading to a denial of service. (CVE-2010-4238) Vegard Nossum discovered that memory garbage collection was not handled correctly for active sockets. A local attacker could exploit this to allocate all available kernel memory, leading to a denial of service. (CVE-2010-4249) Dan Carpenter discovered that the Infiniband driver did not correctly handle certain requests. A local user could exploit this to crash the system or potentially gain root privileges. (CVE-2010-4649, CVE-2011-1044) Dan Rosenberg discovered that XFS did not correctly initialize memory. A local attacker could make crafted ioctl calls to leak portions of kernel stack memory, leading to a loss of privacy. (CVE-2011-0711) Timo Warns discovered that MAC partition parsing routines did not correctly calculate block counts. A local attacker with physical access could plug in a specially crafted block device to crash the system or potentially gain root privileges. (CVE-2011-1010) Neil Horman discovered that NFSv4 did not correctly handle certain orders of operation with ACL data. A remote attacker with access to an NFSv4 mount could exploit this to crash the system, leading to a denial of service. (CVE-2011-1090) Vasiliy Kulikov discovered that the netfilter code did not check certain strings copied from userspace. A local attacker with netfilter access could exploit this to read kernel memory or crash the system, leading to a denial of service. (CVE-2011-1170, CVE-2011-1171, CVE-2011-1172, CVE-2011-2534) Vasiliy Kulikov discovered that the Acorn Universal Networking driver did not correctly initialize memory. A remote attacker could send specially crafted traffic to read kernel stack memory, leading to a loss of privacy. (CVE-2011-1173) Vasiliy Kulikov discovered that taskstats listeners were not correctly handled. A local attacker could expoit this to exhaust memory and CPU resources, leading to a denial of service. (CVE-2011-2484)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.24-29-sparc64<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-rt<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-386<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-itanium<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-hppa32<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-openvz<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-generic<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-xen<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc-smp<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-hppa64<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-server<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc64-smp<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-lpia<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-virtual<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-mckinley<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-sparc64-smp<2.6.24-29.92
2.6.24-29.92
=8.04
All of
ubuntu/linux-image-2.6.24-29-lpiacompat<2.6.24-29.92
2.6.24-29.92
=8.04

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