Linux Kernel EXT4 Error Handling Denial Of Service Vulnerability

Mounting a crafted EXT4 image as read-only leads to a kernel panic. Since the mounting procedure is a privileged operation, an attacker is probably not able to trigger this vulnerability on the commandline. Instead the automatic mounting feature of the GUI via a crafted USB-device is required...

kernel: mm: privilege escalation via MAP_PRIVATE COW breakage

A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write COW breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on...

kernel: mm: privilege escalation via MAP_PRIVATE COW breakage

A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write COW breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on...

Stable Channel Update for Chrome OS

The Stable channel has been updated to 54.0.2840.79 Platform version: 8743.76.0 for all Chrome OS devices except HP Chromebook 13 G1, Acer Chromebook 14 for Work and Thinkpad 13 Chromebook. This build contains a number of bug fixes, security updates, and feature enhancements. Systems will be...

UCloud-2 0 1 6 1 0-0 0 1: kernel‘Dirty Cow’to mention the right vulnerability Security Alert-vulnerability warning-the black bar safety net

The Linux kernel recently the outbreak of the’Dirty Cow’Vulnerability, CVE-2 0 1 6-5 1 9 5, can lead to a low-rights user to achieve the local extraction rights. Please check you are using the kernel is in the affected range, and timely upgrades. The scope of the impact Linux kernel =2.6.22...

kernel: mm: privilege escalation via MAP_PRIVATE COW breakage

A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write COW breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on...

[ASA-201610-14] linux: privilege escalation

Arch Linux Security Advisory ASA-201610-14 ========================================== Severity: High Date : 2016-10-22 CVE-ID : CVE-2016-5195 Package : linux Type : privilege escalation Remote : No Link : https://wiki.archlinux.org/index.php/CVE Summary ======= The package linux before version...

Linux kernel local elevation of privilege vulnerability (Dirty COW)

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. The Linux Kernel local elevation of privilege vulnerability can be exploited by a low-privileged local attacker to gain write access to other read-only memory maps, which in...

[ASA-201610-11] linux-lts: privilege escalation

Arch Linux Security Advisory ASA-201610-11 ========================================== Severity: High Date : 2016-10-21 CVE-ID : CVE-2016-5195 Package : linux-lts Type : privilege escalation Remote : No Link : https://wiki.archlinux.org/index.php/CVE Summary ======= The package linux-lts before...

MBRFilter — Open Source Tool to Protect Against 'Master Boot Record' Malware

Ransomware threat has risen exponentially so much that ransomware authors have started abusing the MBR in their attacks to lock down your entire computer instead of just encrypting your important files on hard drive. Talos team at Cisco Systems has released a free, open-source tool that protects...

USN-3106-4 linux-snapdragon vulnerability

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges...

USN-3106-1 linux vulnerability

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges...

Microsoft Windows - NtLoadKeyEx Read Only Hive Arbitrary File Write Privilege Escalation (MS16-124)

Microsoft Windows - NtLoadKeyEx Read Only Hive Arbitrary File Write Privilege Escalation MS16-124 / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=871 Windows: NtLoadKeyEx Read Only Hive Arbitrary File Write EoP Platform: Windows 10 10586 not tested 8.1 Update 2 or Windows 7...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1703-1)

qemu was updated to fix 29 security issues. These security issues were fixed : - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avo...

Edit permission check not enforced on WebDAV COPY action - ownCloud

The WebDAV endpoint was not properly checking the permission on a WebDAV "COPY" action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files. Affected Software ownCloud Server 9.0.4 CVE-2016-????...

Server: Edit permission check not enforced on WebDAV COPY action

The WebDAV endpoint was not properly checking the permission on a WebDAV "COPY" action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files. For more information please consult the official advisory. This...

Server: Read-only share recipient can restore old versions of file

The restore capability of ownCloud was not verifying whether an user has only read-only access to a share. Thus an user with read-only access was able to restore old versions. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...

Read-only share recipient can restore old versions of file (NC-SA-2016-005)

The restore capability of Nextcloud was not verifying whether an user has only read-only access to a share. Thus an user with read-only access was able to restore old versions...

Edit permission check not enforced on WebDAV COPY action (NC-SA-2016-004)

The WebDAV endpoint was not properly checking the permission on a WebDAV "COPY" action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files...

The vulnerability of Xen hypervisors allows a hacker to write data to a disk that is only intended for reading.

The vulnerability of the libxl library in Xen hypervisors arises from the lack of restrictions on writing data when using the qemu-xen device. Exploiting this vulnerability allows a malicious actor to write data to a disk that is intended only for reading...