USN-3871-3: Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-3871-4: Linux kernel (HWE) vulnerabilities

USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem...

Fedora 28 : 2:docker (2019-901feba171)

Resolves: 1666565, 1666566 - CVE-2018-20699 - Resolves: 1663068, 1667622 - umount all procfs and sysfs with --no-pivot - built docker @projectatomic/docker-1.13.1 commit 1185cfd - built docker-runc @projectatomic/docker-1.13.1 commit e4ffe43 Note that Tenable Network Security has extracted the...

Fedora 28 : 2:docker-latest (2019-723711c645)

Resolves: 1666565, 1667625 - CVE-2018-20699 - Resolves: 1663068, 1667626 - umount all procfs and sysfs with --no-pivot - built docker @projectatomic/docker-1.13.1 commit 1185cfd - built docker-runc @projectatomic/docker-1.13.1 commit e4ffe43 ---- Resolves: 1598581, 1598582 - CVE-2018-10892 Note...

Fedora 29 : 2:docker-latest (2019-f5b57646b7)

Resolves: 1666565, 1667625 - CVE-2018-20699 - Resolves: 1663068, 1667626 - umount all procfs and sysfs with --no-pivot - built docker @projectatomic/docker-1.13.1 commit 1185cfd - built docker-runc @projectatomic/docker-1.13.1 commit e4ffe43 Note that Tenable Network Security has extracted the...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-3871-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3871-1 advisory. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to...

Arbitrary Code Execution

procps is vulnerable to arbitrary code execution attacks. The vulnerability exists as procps-ng before version 3.3.15 is vulnerable to multiple integer overflows leading to a heap corruption in file2strvec function. This allows a privilege escalation for a local attacker who can create entries in...

Ubuntu: Security Advisory (USN-3832-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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-3835-1: Linux kernel vulnerabilities

Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. CVE-2018-17972 Jann Horn discovered that the mremap system...

USN-3832-1: Linux kernel (AWS) vulnerabilities

Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. CVE-2018-17972 Jann Horn discovered that the mremap system...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3821-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3821-1 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An...

USN-3821-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3821-1 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. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not...

USN-3821-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3821-1 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. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not...

USN-3821-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash. CVE-2018-10880 It...

USN-3821-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash. CVE-2018-10880 It...

EulerOS Virtualization 2.5.1 : procps-ng (EulerOS-SA-2018-1326)

According to the versions of the procps-ng package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - If the HOME environment variable is unset or empty, top will read its configuration file from the current working directory...

USN-3752-2 linux-hwe vulnerabilities

USN-3752-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that, when attempting to handle an out-of-memory situation, a null...

USN-3752-1: Linux kernel vulnerabilities

It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service system crash. CVE-2018-1000200 Wen Xu discovered that the XFS...

USN-3752-1 linux, linux-aws, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities

It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service system crash. CVE-2018-1000200 Wen Xu discovered that the XFS...

Pspy - Monitor Linux Processes Without Root Permissions

pspy is a command line tool designed to snoop on processes without need for root permissions. It allows you to see commands run by other users, cron jobs, etc. as they execute. Great for enumeration of Linux systems in CTFs. Also great to demonstrate your colleagues why passing secrets as argumen...