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The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * A local, unprivileged user could use an integer overflow flaw in drm_mode_dirtyfb_ioctl to cause a denial of service or escalate their privileges. * A buffer overflow flaw was found in the macvtap device driver, used for creating a bridged network between the gu ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * A flaw was found in the way the Linux kernel"s Event Poll subsystem handled large, nested epoll structures. A local, unprivileged user could use this flaw to cause a denial of service. * A malicious Network File System version 4 server could return a crafted r ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * It was found that the RHSA-2012:0862 update did not correctly fix the CVE-2011-4131 issue. A malicious Network File System version 4 server could return a crafted reply to a GETACL request, causing a denial of service on the client. * A divide-by-zero flaw was ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * It was found that a deadlock could occur in the Out of Memory killer. A process could trigger this deadlock by consuming a large amount of memory, and then causing request_module to be called. A local, unprivileged user could use this flaw to cause a denial of s ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: * A race condition was found in the way the Linux kernel"s ptrace implementation handled PTRACE_SETREGS requests when the debuggee was woken due to a SIGKILL signal instead of being stopped. A local, unprivileged user could use this flaw to escalate their privileges ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * A flaw was found in the way file permission checks for the "/dev/cpu/[x]/msr" files were performed in restricted root environments . A local user with the ability to write to these files could use this flaw to escalate their privileges to kernel level, ...

KVM is a full virtualization solution for Linux on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for the standard Red Hat Enterprise Linux kernel. A flaw was found in the way KVM handled guest time updates when the buffer the guest registered by writing to the MSR_KVM_SYSTEM_TIME machine state register crossed a page boundary. A privileged guest user could use this flaw to crash ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * A flaw was found in the Xen netback driver implementation in the Linux kernel. A privileged guest user with access to a para-virtualized network device could use this flaw to cause a long loop in netback, leading to a denial of service that could potentially affe ...

Security: * An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way the Intel i915 driver in the Linux kernel handled the allocation of the buffer used for relocation copies. A local user with console access could use this flaw to cause a denial of service or escalate their privileges. * A buffer overflow flaw was found in the way UTF-8 characters were converted to ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * Information leaks in the Linux kernel could allow a local, unprivileged user to leak kernel memory to user-space. * An information leak was found in the Linux kernel"s POSIX signals implementation. A local, unprivileged user could use this flaw to bypass the Add ...


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