Ubuntu Security Notice 1083-1 - Multiple vulnerabilities have been discovered and addressed in the Linux 2.6 kernel. Al Viro discovered a race condition in the TTY driver. Gleb Napatov discovered that KVM did not correctly check certain privileged operations. Dan Rosenberg discovered that the MOVE_EXT ext4 ioctl did not correctly check file permissions. Dan Rosenberg discovered that the swapexit xfs ioctl did not correctly check file permissions. Suresh Jayaraman discovered that CIFS did not correctly validate certain response packats. Many other issues have also been addressed.
bd92ad19b2e61a0c4474567dcf42cce9Ubuntu Security Notice 1073-1 - Multiple vulnerabilities have been discovered and addressed in the Linux kernel. Gleb Napatov discovered that KVM did not correctly check certain privileged operations. Dan Jacobson discovered that ThinkPad video output was not correctly access controlled. Vasiliy Kulikov discovered that the Linux kernel X.25 implementation did not correctly clear kernel memory. Nelson Elhage discovered that the Linux kernel IPv4 implementation did not properly audit certain bytecodes in netlink messages. Dan Rosenberg discovered that the USB subsystem did not correctly initialize certain structures. Various other issues have also been addressed.
8305a1531c118605c29aeddacbcfebd2Ubuntu Security Notice 1072-1 - Multiple vulnerabilities have been discovered and addressed in the Linux kernel. Gleb Napatov discovered that KVM did not correctly check certain privileged operations. Dave Chinner discovered that the XFS filesystem did not correctly order inode lookups when exported by NFS. Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly. Dan Jacobson discovered that ThinkPad video output was not correctly access controlled. Various other issues have also been addressed.
27c3f06a2a4304897f036ea3734a09eaUbuntu Security Notice 1054-1 - Gleb Napatov discovered that KVM did not correctly check certain privileged operations. A local attacker with access to a guest kernel could exploit this to crash the host system, leading to a denial of service. 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. Dave Jones discovered that the mprotect system call did not correctly handle merged VMAs. A local attacker could exploit this to crash the system, leading to a denial of service. 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.
84f30c9afc022801575e6f53a73421c3Debian Linux Security Advisory 2153-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.
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