Red Hat Security Advisory 2013-1801-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's TCP/IP protocol suite implementation handled sending of certain UDP packets over sockets that used the UDP_CORK option when the UDP Fragmentation Offload feature was enabled on the output device. A local, unprivileged user could use this flaw to cause a denial of service or, potentially, escalate their privileges on the system. A divide-by-zero flaw was found in the apic_get_tmcct() function in KVM's Local Advanced Programmable Interrupt Controller implementation. A privileged guest user could use this flaw to crash the host.
1af132fdcf7c424f280c901b55f82decDebian Linux Security Advisory 2766-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, information leak or privilege escalation.
24180ab9a5fa022aa5001bc9779ccf9bRed Hat Security Advisory 2013-1292-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A use-after-free flaw was found in the madvise() system call implementation in the Linux kernel. A local, unprivileged user could use this flaw to cause a denial of service or, potentially, escalate their privileges. A flaw was found in the way the Linux kernel's TCP/IP protocol suite implementation handled IPv6 sockets that used the UDP_CORK option. A local, unprivileged user could use this flaw to cause a denial of service.
431af5caa713d02a87c8868f96420d36Red Hat Security Advisory 2013-1264-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A heap-based buffer overflow flaw was found in the Linux kernel's iSCSI target subsystem. A remote attacker could use a specially-crafted iSCSI request to cause a denial of service on a system or, potentially, escalate their privileges on that system. A flaw was found in the Linux kernel's Performance Events implementation. On systems with certain Intel processors, a local, unprivileged user could use this flaw to cause a denial of service by leveraging the perf subsystem to write into the reserved bits of the OFFCORE_RSP_0 and OFFCORE_RSP_1 model-specific registers.
5eea9d3ce982c34da176b92519e344f2Ubuntu Security Notice 1900-1 - Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem that can expose stale data. An unprivileged user could exploit this flaw to cause an information leak. An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. A format string vulnerability was discovered in Broadcom B43 wireless driver for the Linux kernel. A local user could exploit this flaw to gain administrative privileges. Various other issues were also addressed.
4248cdb5374d0b8f58403ee24c28487dUbuntu Security Notice 1899-1 - Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem that can expose stale data. An unprivileged user could exploit this flaw to cause an information leak. An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. A format string vulnerability was discovered in Broadcom B43 wireless driver for the Linux kernel. A local user could exploit this flaw to gain administrative privileges. Various other issues were also addressed.
0dc268d390c5d5febe9f6a8aff3807bcMandriva Linux Security Advisory 2013-176 - Multiple vulnerabilities has been found and corrected in the Linux kernel. The updated packages provides a solution for these security issues.
72b5903a6234e4593ad51c196b8ea2fdUbuntu Security Notice 1882-1 - Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service (system crash) or potentially gain administrative privileges. An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. Various other issues were also addressed.
7c792dfc092a7b89310f088463bdcd3dUbuntu Security Notice 1881-1 - An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. Various other issues were also addressed.
5f744916b5072d10faf4526a075c5c9dUbuntu Security Notice 1880-1 - An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. Various other issues were also addressed.
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