CWE
476
Advisory Published

USN-1081-1: Linux kernel vulnerabilities

First published: Wed Mar 02 2011(Updated: )

It was discovered that KVM did not correctly initialize certain CPU registers. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-3698) Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could exploit this to crash the system or possibly execute arbitrary code as the root user. (CVE-2010-3865) Vasiliy Kulikov discovered that the Linux kernel X.25 implementation did not correctly clear kernel memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-3875) Vasiliy Kulikov discovered that the Linux kernel sockets implementation did not properly initialize certain structures. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-3876) Vasiliy Kulikov discovered that the TIPC interface did not correctly initialize certain structures. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-3877) Nelson Elhage discovered that the Linux kernel IPv4 implementation did not properly audit certain bytecodes in netlink messages. A local attacker could exploit this to cause the kernel to hang, leading to a denial of service. (CVE-2010-3880) Dan Rosenberg discovered that the ivtv V4L driver did not correctly initialize certian structures. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4079) Dan Rosenberg discovered that the semctl syscall did not correctly clear kernel memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4083) It was discovered that multithreaded exec did not handle CPU timers correctly. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-4248) Vegard Nossum discovered a leak in the kernel's inotify_init() system call. A local, unprivileged user could exploit this to cause a denial of service. (CVE-2010-4250) Nelson Elhage discovered that Econet did not correctly handle AUN packets over UDP. A local attacker could send specially crafted traffic to crash the system, leading to a denial of service. (CVE-2010-4342) Tavis Ormandy discovered that the install_special_mapping function could bypass the mmap_min_addr restriction. A local attacker could exploit this to mmap 4096 bytes below the mmap_min_addr area, possibly improving the chances of performing NULL pointer dereference attacks. (CVE-2010-4346) Dan Rosenberg discovered that the OSS subsystem did not handle name termination correctly. A local attacker could exploit this crash the system or gain root privileges. (CVE-2010-4527) An error was reported in the kernel's ORiNOCO wireless driver's handling of TKIP countermeasures. This reduces the amount of time an attacker needs breach a wireless network using WPA+TKIP for security. (CVE-2010-4648) 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) An error was discovered in the kernel's handling of CUSE (Character device in Userspace). A local attacker might exploit this flaw to escalate privilege, if access to /dev/cuse has been modified to allow non-root users. (CVE-2010-4650) A flaw was found in the kernel's Integrity Measurement Architecture (IMA). Changes made by an attacker might not be discovered by IMA, if SELinux was disabled, and a new IMA rule was loaded. (CVE-2011-0006) It was discovered that some import kernel threads can be blocked by a user level process. An unprivileged local user could exploit this flaw to cause a denial of service. (CVE-2011-4621)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.35-27-generic-pae<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-powerpc<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-server<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-generic<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-omap<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-powerpc-smp<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-versatile<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-powerpc64-smp<2.6.35-27.48
2.6.35-27.48
=10.10
All of
ubuntu/linux-image-2.6.35-27-virtual<2.6.35-27.48
2.6.35-27.48
=10.10

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