CVE-2016-9382

Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...

x86 task switch to VM86 mode mis-handled

ISSUE DESCRIPTION LDTR, just like TR, is purely a protected mode facility. Hence even when switching to a VM86 mode task, LDTR loading needs to follow protected mode semantics. This was violated by the code. IMPACT On SVM AMD hardware: a malicious unprivileged guest process can escalate its...

[SECURITY] [DSA 3607-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3607-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso June 28, 2016 https://www.debian.org/security/faq -...

[SECURITY] [DSA 3607-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3607-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso June 28, 2016 https://www.debian.org/security/faq -...

Debian Security Advisory DSA 3607-1 (linux - security update)

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2015-7515, CVE-2016-2184, CVE-2016-2185, CVE-2016-2186, CVE-2016-2187, CVE-2016-3136, CVE-2016-3137, CVE-2016-3138, CVE-2016-3140 Ralf Spenneberg o...

Debian DLA-516-1 : linux security update

This update fixes the CVEs described below. CVE-2016-0821 Solar Designer noted that the list 'poisoning' feature, intended to mitigate the effects of bugs in list manipulation in the kernel, used poison values within the range of virtual addresses that can be allocated by user processes...

Unbreakable Enterprise kernel security and bugfix update

2.6.39-400.246.2 - net: sctp: fix NULL pointer dereference in af-fromaddrparam on malformed packet Daniel Borkmann Orabug: 20425333 CVE-2014-7841 2.6.39-400.246.1 - sched: Fix possible divide by zero in avgatom calculation Mateusz Guzik Orabug: 20148169 - include/linux/math64.h: add div64ul Alex...

Ubuntu 5.10 / 6.06 LTS / 6.10 : linux-source-2.6.12/-2.6.15/-2.6.17 vulnerabilities (USN-395-1)

Mark Dowd discovered that the netfilter iptables module did not correcly handle fragmented packets. By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules. This has only be fixed for Ubuntu 6.10; the corresponding fix for Ubuntu 5.10 and 6.06 will foll...

Ubuntu 5.10 / 6.06 LTS / 6.10 : linux-source-2.6.12/2.6.15/2.6.17 vulnerabilities (USN-416-1)

Mark Dowd discovered that the netfilter iptables module did not correcly handle fragmented IPv6 packets. By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules. This has has already been fixed for Ubuntu 6.10 in USN-395-1; this is the corresponding fix...

USN-395-1: Linux kernel vulnerabilities

Mark Dowd discovered that the netfilter iptables module did not correcly handle fragmented packets. By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules. This has only be fixed for Ubuntu 6.10; the corresponding fix for Ubuntu 5.10 and 6.06 will foll...