Fedora 25 : xen (2016-92e3ea2d1b)

two security flaws 1406840 x86 PV guests may be able to mask interrupts XSA-202, CVE-2016-10024 x86: missing NULL pointer check in VMFUNC emulation XSA-203, CVE-2016-10025 x86: Mishandling of SYSCALL singlestep during emulation XSA-204, CVE-2016-10013 1406260 Note that Tenable Network Security ha...

SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:3208-1)

This update for xen fixes the following issues : - A Mishandling of SYSCALL singlestep during emulation which could have lead to privilege escalation. XSA-204, bsc1016340, CVE-2016-10013 - CMPXCHG8B emulation failed to ignore operand size override which could have lead to information disclosure...

FreeBSD : xen-kernel -- x86: Mishandling of SYSCALL singlestep during emulation (942433db-c661-11e6-ae1b-002590263bf5)

The Xen Project reports : The typical behaviour of singlestepping exceptions is determined at the start of the instruction, with a DB trap being raised at the end of the instruction. SYSCALL and SYSRET, although we don't implement it behave differently because the typical behaviour allows userspa...

PT-2017-7699

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.9 Description The issue allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation. Recommendations For versions prior to 4.9, update to version 4.9 or...

CVE-2016-10013

Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation...

x86: Mishandling of SYSCALL singlestep during emulation

ISSUE DESCRIPTION The typical behaviour of singlestepping exceptions is determined at the start of the instruction, with a DB trap being raised at the end of the instruction. SYSCALL and SYSRET, although we don't implement it behave differently because the typical behaviour allows userspace to...

sudo security update

1.8.6p3-25 - Update noexec syscall blacklist - Fixes CVE-2016-7032 and CVE-2016-7076 Resolves: rhbz1391937...

Linux Kernel 2.6.32-rc1 x86_64 Register Leak Exploit

Linux kernel version 2.6.32-rc1 x8664 register leak proof of concept code. / written by Ingo Molnar -- it's true because this comment says the exploit was written by him! / include include unsigned int r81; unsigned int r82; unsigned int r91; unsigned int r92; unsigned int r101; unsigned int r102...

IBM AIX 5.3/6.1/7.1/7.2 - 'lquerylv' Local Privilege Escalation

!/usr/bin/sh AIX lquerylv 5.3, 6.1, 7.1, 7.2 local root exploit. Tested against latest patchset 7100-04 This exploit takes advantage of known issues with debugging functions within the AIX linker library. We are taking advantage of known functionality, and focusing on badly coded SUID binaries...

kernel: vfs: missing detection of hardlinks in vfs_rename() on overlayfs

A flaw was found that the vfsrename function did not detect hard links on overlayfs. A local, unprivileged user could use the rename syscall on overlayfs on top of xfs to crash the system...

Information disclosure

The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service fdatasync failure and system hang by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."...

CVE-2016-8660

The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service fdatasync failure and system hang by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."...

CVE-2016-8660

The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service fdatasync failure and system hang by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."...

CVE-2016-8660: Undefined Security Weakness

The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service fdatasync failure and system hang by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."...

SELinux W+X Protection Bypass via AIO

Exploit for linux platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=854 SELinux has a set of permissions that can be used to prevent processes from creating executable memory mappings that contain data controlled by the process PROCESSEXECMEM,...

Linux SELinux - W+X Protection Bypass via AIO

Linux SELinux - W+X Protection Bypass via AIO / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=854 SELinux has a set of permissions that can be used to prevent processes from creating executable memory mappings that contain data controlled by the process PROCESSEXECMEM,...

DLA-607-1 tryton-server - security update

Bulletin has no description...

Kaspersky Internet Security KLIF Driver NtAdjustTokenPrivileges_HANDLER Denial of Service

Summary A denial of service vulnerability exists in the syscall filtering functionality of Kaspersky Internet Security KLIF driver. A specially crafted native api call can cause a access violation in KLIF kernel driver resulting in local denial of service. An attacker can run program from user mo...

Kaspersky Internet Security KLIF Driver NtUserCreateWindowEx_HANDLER Denial of Service

Summary A denial of service vulnerability exists in the syscall filtering functionality of the Kaspersky Internet Security KLIF driver. A specially crafted native api call request can cause a access violation exception in KLIF kernel driver resulting in local denial of service. An attacker can ru...

UBUNTU-CVE-2016-6136

Race condition in the auditlogsingleexecvearg function in kernel/auditsc.c in the Linux kernel through 4.7 allows local users to bypass intended character-set restrictions or disrupt system-call auditing by changing a certain string, aka a "double fetch" vulnerability...