Ubuntu: Security Advisory (USN-3384-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 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 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3384-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3384-2 advisory. USN-3384-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement H...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3385-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3385-1 advisory. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload UFO code in the Linux kernel. A local attacker could use this to cause a...

Ubuntu: Security Advisory (USN-3385-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 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...

Critical: kernel

Issue Overview: Exploitable memory corruption due to UFO to non-UFO path switch CVE-2017-1000112 heap out-of-bounds in AFPACKET sockets CVE-2017-1000111 The mqnotify function in the Linux kernel does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a...

Exploiting the Linux kernel via packet sockets

Guest blog post, posted by Andrey Konovalov Introduction Lately I’ve been spending some time fuzzing network-related Linux kernel interfaces with syzkaller. Besides the recently discovered vulnerability in DCCP sockets, I also found another one, this time in packet sockets. This post describes ho...

USN-3265-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3265-1 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...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3265-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3265-1 advisory. It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux kernel. A local attacker could use this to cause...

Ubuntu: Security Advisory (USN-3256-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 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...

USN-3256-2: Linux kernel (HWE) vulnerability

USN-3256-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel for each of the respective prior Ubuntu LTS releases. Andrey Konovalov discovered that the...

USN-3256-1: Linux kernel vulnerability

Andrey Konovalov discovered that the AFPACKET implementation in the Linux kernel did not properly validate certain block-size data. A local attacker could use this to cause a denial of service system crash...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerability (USN-3256-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3256-1 advisory. Andrey Konovalov discovered that the AFPACKET implementation in the Linux kernel did not properly validate certain block-size data. A local attacker...

Linux kernel local denial of service vulnerability (CNVD-2017-02607)

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. A local denial of service vulnerability exists in the net/packet/afpacket.c file in Linux kernel versions prior to 4.9.13. A local attacker can exploit this vulnerability to...

UBUNTU-CVE-2017-6346

Race condition in net/packet/afpacket.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service use-after-free or possibly have unspecified other impact via a multithreaded application that makes PACKETFANOUT setsockopt system calls...

openSUSE Security Update : the Linux Kernel (openSUSE-2016-1426)

The openSUSE Leap 42.2 kernel was updated to 4.4.36 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2015-1350: The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended...

Exploit for Race Condition in Linux Linux_Kernel

ocoboroot.c linux AFPACKET race condition exploit exploit for...

5-Year-Old Linux Kernel Local Privilege Escalation Flaw Discovered

A 5-year-old serious privilege-escalation vulnerability has been discovered in Linux kernel that affects almost every distro of the Linux operating system, including Redhat, and Ubuntu. Over a month back, a nine-year-old privilege-escalation vulnerability, dubbed "Dirty COW," was discovered in th...

Linux Kernel 4.4.0 AF_PACKET Race Condition / Privilege Escalation Exploit

Linux AFPACKET race condition exploit for Ubuntu 16.04 x8664. / chocoboroot.c linux AFPACKET race condition exploit exploit for Ubuntu 16.04 x8664 vroom vroom ============================== email protected:$ uname -a Linux ubuntu 4.4.0-51-generic 72-Ubuntu SMP Thu Nov 24 18:29:54 UTC 2016 x8664...

Linux af_packet.c race condition (local root) (CVE-2016-8655)

To create AFPACKET sockets you need CAPNETRAW in your network namespace, which can be acquired by unprivileged processes on systems where unprivileged namespaces are enabled Ubuntu, Fedora, etc. It can be triggered from within containers to compromise the host kernel. On Android, processes with...

USN-3151-2: Linux kernel (Xenial HWE) vulnerability | Cloud Foundry

USN-3151-2: Linux kernel Xenial HWE vulnerability High Vendor Canonical Ubuntu Versions Affected Ubuntu 14.04 LTS The following Cloud Foundry BOSH stemcells are vulnerable: All versions prior to 3151.5 3233.x versions prior to 3233.6 3263.x versions prior to 3263.12 3312.x versions prior to 3312....