kernel: overlayfs: missing upper dentry verification before unlink and rename

It was found that the unlink and rename functionality in overlayfs did not verify the upper dentry for staleness. A local, unprivileged user could use the rename syscall on overlayfs on top of xfs to panic or crash the system...

USN-3070-4 linux-lts-xenial vulnerabilities

USN-3070-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. A missing permission check when settings ACLs was discovered in nfsd. A local user cou...

UBUNTU-CVE-2016-6197

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service system crash via a rename system call that...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20160802)

To see the complete list of bug fixes, users are directed to the related Knowledge Article : Security Fixes : - A flaw was found in the Linux kernel's keyring handling code, where in keyrejectandlink an uninitialised variable would eventually lead to arbitrary free address which could allow...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2016:1539 An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

kernel: Permission bypass on overlayfs during copy_up

The ovlsetattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: Permission bypass on overlayfs during copy_up

The ovlsetattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application...

kernel: Permission bypass on overlayfs during copy_up

The ovlsetattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application...

The Latest Android Overlay Malware Spreading via SMS Phishing in Europe

Introduction In April 2016, while investigating a Smishing campaign dubbed RuMMS that involved the targeting of Android users in Russia, we also noticed three similar Smishing campaigns reportedly spreading in Denmark February 2016, in Italy February 2016, and in both Denmark and Italy April 2016...

The Latest Android Overlay Malware Spreading via SMS Phishing in Europe

Introduction In April 2016, while investigating a Smishing campaign dubbed RuMMS that involved the targeting of Android users in Russia, we also noticed three similar Smishing campaigns reportedly spreading in Denmark February 2016, in Italy February 2016, and in both Denmark and Italy April 2016...

Banking Trojan Outwits Google Play Malware Scanner

Google Play’s first line of defense against malware was circumvented by attackers who managed to sneak a malicious app called “Black Jack Free” into the official app store. The app was discovered by Lookout Security and removed by Google last week. Lookout estimates that 5,000 people downloaded t...

DEBIAN-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...

Scourge of Android Overlay Malware on Rise

The black market for malicious Android software is heating up thanks to a rise in popularity of overlay malware, which can siphon credentials off Android devices and give crooks a tool to defeat two-factor identification schemes, according to security researchers at IBM’s X-Force. Overlay malware...

Fedora 22 : webkitgtk4-2.12.1-1.fc22 (2016-ac1dff014c)

Highlights in 2.12.0: Enable FTL by default in JavaScriptCore for x8664. Network process is now used unconditionally. The shared secondary process model is now the same as using the multiple process model and setting a process limit of 1. Switch to use overlay scrollbars like all other GTK+ widge...

GozNym Trojan Attackers Set Sights on Europe, Poland

The banking malware GozNym has legs; only a few weeks after the hybrid Trojan was discovered, it has reportedly spread into Europe and begun plaguing banking customers in Poland with redirection attacks. The malware has started targeting corporate, SMB, investment banking and consumer accounts at...

ClamAV < 0.99.1 Multiple Vulnerabilities

Binary data 9261.prm...

Drupal 7.x < 7.41 Overlay Module Open Redirect

Binary data 9219.prm...

SUSE-SU-2016:0751-1 Security update for kernel live patch 0

This kernel live patch for Linux Kernel 3.12.49-11.1 fixes three security issues: Fixes: - CVE-2016-0728: A reference leak in keyring handling with joinsessionkeyring could lead to local attackers gain root privileges. bsc962078. - CVE-2015-8660: The ovlsetattr function in fs/overlayfs/inode.c in...

Fedora 21 : lxc-1.0.7-4.fc21 (2015-ebfe46536f)

lxc-1.0.7-4.fc21 - Add some patches: - Allow building on EPEL6. - Fix boot-order similar to rhbz1263612. - Prevent lxc-top crash rhbz1152384 . - Set lxc.kmsg = 0 in the config rhbz1204389 . - Use 'overlay' as fs name when needed rhbz1217516 . - Add dependency on rsync rhbz1177981 . Note that...