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CVE-2014-2673

Status Candidate

Overview

The arch_dup_task_struct function in the Transactional Memory (TM) implementation in arch/powerpc/kernel/process.c in the Linux kernel before 3.13.7 on the powerpc platform does not properly interact with the clone and fork system calls, which allows local users to cause a denial of service (Program Check and system crash) via certain instructions that are executed with the processor in the Transactional state.

Related Files

Red Hat Security Advisory 2014-1023-01
Posted Aug 7, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1023-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that Linux kernel's ptrace subsystem did not properly sanitize the address-space-control bits when the program-status word was being set. On IBM S/390 systems, a local, unprivileged user could use this flaw to set address-space-control bits to the kernel space, and thus gain read and write access to kernel memory. It was found that the permission checks performed by the Linux kernel when a netlink message was received were not sufficient. A local, unprivileged user could potentially bypass these restrictions by passing a netlink socket as stdout or stderr to a more privileged process and altering the output of this process.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-0181, CVE-2014-2672, CVE-2014-2673, CVE-2014-2706, CVE-2014-3534, CVE-2014-4667
MD5 | 01e969fd67244835fe47c8a369a50f50
Ubuntu Security Notice USN-2228-1
Posted May 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2228-1 - Matthew Daley reported an information leak in the floppy disk driver of the Linux kernel. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from kernel memory. Matthew Daley reported a flaw in the handling of ioctl commands by the floppy disk driver in the Linux kernel. An unprivileged local user could exploit this flaw to gain administrative privileges if the floppy disk module is loaded. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0055, CVE-2014-0077, CVE-2014-0100, CVE-2014-0101, CVE-2014-1737, CVE-2014-1738, CVE-2014-2309, CVE-2014-2523, CVE-2014-2672, CVE-2014-2673, CVE-2014-2678, CVE-2014-2706, CVE-2014-2851
MD5 | 8657fa7816fc8962d6d5b0f0dce9d49e
Ubuntu Security Notice USN-2225-1
Posted May 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2225-1 - Matthew Daley reported an information leak in the floppy disk driver of the Linux kernel. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from kernel memory. Matthew Daley reported a flaw in the handling of ioctl commands by the floppy disk driver in the Linux kernel. An unprivileged local user could exploit this flaw to gain administrative privileges if the floppy disk module is loaded. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0055, CVE-2014-0077, CVE-2014-0100, CVE-2014-0101, CVE-2014-1737, CVE-2014-1738, CVE-2014-2309, CVE-2014-2523, CVE-2014-2672, CVE-2014-2673, CVE-2014-2678, CVE-2014-2706, CVE-2014-2851
MD5 | 892849329aa71027a9eb418669961a59
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