Ubuntu Patches Privilege-Escalation Bug

There is a privilege-escalation vulnerability in several versions of Ubuntu that results from the fact that the operating system fails to check permissions when users are creating files in some specific circumstances. Security researcher Philip Pettersson discovered the vulnerability and reported...

Ubuntu 14.10 : linux regression (USN-2646-2)

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Philip Pettersson discovered a privilege escalation when using overlayfs...

Ubuntu 14.04 LTS : Linux kernel regression (USN-2643-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2643-2 advisory. The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer...

Ubuntu 12.04 LTS : linux regression (USN-2640-2)

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Philip Pettersson discovered a privilege escalation when using overlayfs...

Ubuntu Linux kernel overlayfs filesystem local elevation of privilege vulnerability

Ubuntu is a GNU/Linux operating system with a focus on desktop applications. A local elevation of privilege vulnerability exists in the Ubuntu Linux kernel overlayfs file system, which allows an attacker to elevate to administrator privileges by creating new files in sensitive system directories ...

Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) regression (USN-2644-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2644-2 advisory. The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer...

USN-2646-2: Linux kernel regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2644-2: Linux kernel (Utopic HWE) regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2644-2 linux-lts-utopic regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2643-2: Linux kernel regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2643-2 linux regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2641-2: Linux kernel (OMAP4) regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2640-2: Linux kernel regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

CVE-2015-1328 - overlayfs privilege escalation | Cloud Foundry

CVE-2015-1328 – overlayfs privilege escalation High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 LTS with 3.16 kernel Description Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to...

Ubuntu 12.04 / 14.04 / 14.10 / 15.04 overlayfs Local Root Exploit

The overlayfs filesystem does not correctly check file permissions when creating new files in the upper filesystem directory. This can be exploited by an unprivileged process in kernels with CONFIGUSERNS=y and where overlayfs has the FSUSERNSMOUNT flag, which allows the mounting of overlayfs insi...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerability (USN-2642-1)

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system. Note that Tenable Network Security has extracted the preceding description block directly from the Ubunt...

Ubuntu 14.10 : linux vulnerability (USN-2646-1)

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system. Note that Tenable Network Security has extracted the preceding description block directly from the Ubunt...

Ubuntu: Security Advisory (USN-2642-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerability (USN-2645-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2645-1 advisory. Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain...

Linux Kernel 3.13.0 3.19 (Ubuntu 12.0414.0414.1015.04) - overlayfs Local Privilege Escalation

Linux Kernel 3.13.0 3.19 Ubuntu 12.0414.0414.1015.04 - overlayfs Local Privilege Escalation / Exploit Title: ofs.c - overlayfs local root in ubuntu Date: 2015-06-15 Exploit Author: rebel Version: Ubuntu 12.04, 14.04, 14.10, 15.04 Kernels before 2015-06-15 Tested on: Ubuntu 12.04, 14.04, 14.10,...