USN-2997-1: Linux kernel (OMAP4) vulnerabilities

Jann Horn discovered that eCryptfs improperly attempted to use the mmap handler of a lower filesystem that did not implement one, causing a recursive page fault to occur. A local unprivileged attacker could use to cause a denial of service system crash or possibly execute arbitrary code with...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-2996-1)

Jann Horn discovered that eCryptfs improperly attempted to use the mmap handler of a lower filesystem that did not implement one, causing a recursive page fault to occur. A local unprivileged attacker could use to cause a denial of service system crash or possibly execute arbitrary code with...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2968-2)

USN-2968-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kerne...

CVE-2016-3157

The switchto function in arch/x86/kernel/process64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service guest OS crash, or obtain sensitive information by leveraging I/O port access...

Design/Logic Flaw

The switchto function in arch/x86/kernel/process64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service guest OS crash, or obtain sensitive information by leveraging I/O port access...

CVE-2016-3157

The switchto function in arch/x86/kernel/process64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service guest OS crash, or obtain sensitive information by leveraging I/O port access...

I/O port access privilege escalation in x86-64 Linux

ISSUE DESCRIPTION IRET and POPF do not modify EFLAGS.IOPL when executed by code at a privilege level other than zero. Since PV Xen guests run at privilege level 3 for 64-bit ones; 32-bit ones run at privilege level 1, to compensate for this the context switching of EFLAGS.IOPL requires the guest ...

SUSE SLED11 / SLES11 Security Update : grub2 (SUSE-SU-2015:2386-1)

This update for grub2 provides the following fixes : A security issues with a bufferoverflow when reading username and password was fixed bsc956631, CVE-2015-8370 Bugs fixed : - Expand list of grub.cfg search path in PV Xen guests for systems installed on btrfs snapshots. bsc946148, bsc952539 - A...