USN-2908-2: Linux kernel (Wily HWE) vulnerabilities

halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...

USN-2908-2 linux-lts-wily vulnerabilities

halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...

USN-2908-3: Linux kernel (Raspberry Pi 2) vulnerabilities

halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...

PT-2016-4868

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5.2 Description The issue is related to the overlayfs implementation in the Linux kernel, which does not properly restrict the mount namespace. This allows local users to gain privileges by mounting an overlayf...

CVE-2016-1576

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program...

UBUNTU-CVE-2016-1576

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program...

AUFS (Ubuntu 15.10) - 'allow_userns' Fuse/Xattr User Namespaces Privilege Escalation

Source: http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ Introduction Problem description: Aufs is a union filesystem to mix content of different underlying filesystems, e.g. read-only medium with r/w RAM-fs. That is also allowed in user namespaces when module was...

DEBIAN-CVE-2015-8785

The fusefillwritepages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service infinite loop via a writev system call that triggers a zero length for the first segment of an iov...

CVE-2015-8785: Loop with Unreachable Exit Condition

The fusefillwritepages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service infinite loop via a writev system call that triggers a zero length for the first segment of an iov...

Linux kernel 'fs/fuse/file.c' local denial of service vulnerability

Linux kernel is an open source operating system. Linux kernel 'fs/fuse/file.c' has a security vulnerability that allows attackers to exploit to crash the system and perform denial of service...

Debian DLA-412-1 : linux-2.6 security update

This update fixes the CVEs described below. CVE-2015-7566 Ralf Spenneberg of OpenSource Security reported that the visor driver crashes when a specially crafted USB device without bulk-out endpoint is detected. CVE-2015-8767 An SCTP denial of service was discovered which can be triggered by a loc...

[SECURITY] [DLA 412-1] linux-2.6 security update

Package : linux-2.6 Version : 2.6.32-48squeeze19 CVE ID : CVE-2015-7566 CVE-2015-8767 CVE-2015-8785 CVE-2016-0723 CVE-2016-2069 This update fixes the CVEs described below. CVE-2015-7566 Ralf Spenneberg of OpenSource Security reported that the visor...

DLA-412-1 linux-2.6 - security update

Bulletin has no description...

USN-2886-2: Linux kernel (OMAP4) vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

USN-2886-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

Fuse Write Privilege Vulnerability

Fuse is a set of Unix-like system mechanisms that allow unprivileged users to create filesystems without editing kernel code. Fuse uses insecure global writable permissions to create the '/dev/cuse' character device, allowing a local attacker to exploit the vulnerability to create arbitrary...

CVE-2016-1233

An unspecified udev rule in the Debian fuse package in jessie before 2.9.3-15+deb8u2, in stretch before 2.9.5-1, and in sid before 2.9.5-1 sets world-writable permissions for the /dev/cuse character device, which allows local users to gain privileges via a character device in /dev, related to an...

CVE-2016-1233

An unspecified udev rule in the Debian fuse package in jessie before 2.9.3-15+deb8u2, in stretch before 2.9.5-1, and in sid before 2.9.5-1 sets world-writable permissions for the /dev/cuse character device, which allows local users to gain privileges via a character device in /dev, related to an...

DEBIAN-CVE-2016-1233

An unspecified udev rule in the Debian fuse package in jessie before 2.9.3-15+deb8u2, in stretch before 2.9.5-1, and in sid before 2.9.5-1 sets world-writable permissions for the /dev/cuse character device, which allows local users to gain privileges via a character device in /dev, related to an...

CVE-2016-1233

CVE-2016-1233 describes a privilege-escalation in the Debian fuse package: an unspecified udev rule makes the /dev/cuse device world-writable, enabling a local unprivileged user to create or interact with devices via ioctl and potentially modify memory of processes opening the device. Affected ar...