MGASA-2014-0318

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MGASA-2014-0318

Summary: Updated kernel packages fix security vulnerabilities

Details: This kernel update provides the upstream 3.10.50 longterm kernel and fixes the following security issues: Array index error in the aio_read_events_ring function in fs/aio.c in the Linux kernel through 3.15.1 allows local users to obtain sensitive information from kernel memory via a large head value (CVE-2014-0206). mm/shmem.c in the Linux kernel through 3.15.1 does not properly implement the interaction between range notification and hole punching, which allows local users to cause a denial of service (i_mutex hold) by using the mmap system call to access a hole, as demonstrated by interfering with intended shmem activity by blocking completion of (1) an MADV_REMOVE madvise call or (2) an FALLOC_FL_PUNCH_HOLE fallocate call (CVE-2014-4171). arch/x86/kernel/entry_32.S in the Linux kernel through 3.15.1 on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allows local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000 (CVE-2014-4508). Linux kernel built with the support for Stream Control Transmission Protocol (CONFIG_IP_SCTP) is vulnerable to a NULL pointer dereference flaw. It could occur when simultaneous new connections are initiated between a same pair of hosts. A remote user/program could use this flaw to crash the system kernel resulting in DoS (CVE-2014-5077).

References: https://advisories.mageia.org/MGASA-2014-0318.html, https://bugs.mageia.org/show_bug.cgi?id=13802, https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.45, https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.46, https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.47, https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.48, https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.49, https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.50