VMware Security Advisory 2011-0012 - VMware ESXi and ESX updates to third party libraries and ESX Service Console address several security issues.
09895b515d192ac17d0b7edd6177d76bUbuntu Security Notice 1204-1 - Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signedness errors. A local attacker could exploit this to gain root privileges. Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. Various other issues were also addressed.
d372af01183a028bf3bd3528a3aab84fUbuntu Security Notice 1202-1 - Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly. A local user could exploit this to read kernel stack memory, leading to a loss of privacy. Brad Spengler discovered that stack memory for new a process was not correctly calculated. A local attacker could exploit this to crash the system, leading to a denial of service. Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signedness errors. A local attacker could exploit this to gain root privileges. Various other issues were also addressed.
2daff38dec5e5b4254f2f5b46b1f6f9eUbuntu Security Notice 1187-1 - 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. 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. 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. Various other issues were also addressed.
334e1774d95bf6c254e449cac03b734fDebian Linux Security Advisory 2264-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.
e4fc6508acdcc4816d4b46bbbcd75992Ubuntu Security Notice 1105-1 - Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. Dan Rosenberg discovered that the socket filters did not correctly initialize structure memory. Dan Rosenberg discovered that certain iovec operations did not calculate page counts correctly. Dan Rosenberg discovered that the SCSI subsystem did not correctly validate iov segments. Dan Rosenberg discovered multiple flaws in the X.25 facilities parsing. Alan Cox discovered that the HCI UART driver did not correctly check if a write operation was available. Nelson Elhage discovered that the kernel did not correctly handle process cleanup after triggering a recoverable kernel bug. Tavis Ormandy discovered that the install_special_mapping function could bypass the mmap_min_addr restriction.
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