Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-4367-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4367-1 advisory. It was discovered that the btrfs implementation in the Linux kernel did not properly detect that a block was marked dirty in some situations. An attacker...

USN-4368-1: Linux kernel vulnerabilities

Tristan Madani discovered that the file locking implementation in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service or expose sensitive information. CVE-2019-19769 It was discovered that the Serial CAN interface driver in the Linux...

Ubuntu: Security Advisory (USN-4363-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...

Denial Of Service (DoS)

kernel is vulnerable to denial of service DoS. Numerous reference count leaks were found in the Linux kernel's block layer I/O context handling implementation. This could allow a local, unprivileged user to cause a denial of service...

Denial Of Service (DoS)

The kernel is vulnerable to denial of service DoS. The attack is due to Numerous reference count leaks in the Linux kernel's block layer I/O context handling implementation. This could allow a local, unprivileged user to cause a denial of service...

Denial Of Service (DoS)

kernel is vulnerable to denial of service. Missing boundary checks in the block layer implementation could allow a local, unprivileged user to cause a denial of service...

Denial Of Service (DoS)

kernel is vulnerabel to denial of service. Missing boundary checks in the block layer implementation could allow a local, unprivileged user to cause a denial of service...

Denial Of Service (DoS)

kernel is vulnerable to denial of service. Missing boundary checks in the block layer implementation could allow a local, unprivileged user to cause a denial of service...

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

An update for kernel is now available for Red Hat Enterprise Linux 8. 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...

USN-4094-1: Linux kernel vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. CVE-2018-13053 Wen Xu...

USN-4116-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a use-after-free error existed in the block layer subsystem of the Linux kernel when certain failure conditions occurred. A local attacker could possibly use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-20856 Amit Klein and Ben...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4094-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4094-1 advisory. It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could...

USN-4094-1: Linux kernel vulnerabilities

It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. CVE-2018-13053 Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track...

[SECURITY] Fedora 28 Update: blktrace-1.2.0-6.fc28

blktrace is a block layer IO tracing mechanism which provides detailed information about request queue operations to user space. This package includes both blktrace, a utility which gathers event traces from the kerne l; and blkparse, a utility which formats trace data collected by blktrace. You...

Ubuntu: Security Advisory (USN-3656-1)

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...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3654-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3654-2 advisory. USN-3654-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the...

USN-3656-1: Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities

Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-17975 It was discovered that a race condition existed in the F2FS implementatio...

USN-3654-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3654-1 fixed vulnerabilities and added mitigations 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. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3654-1: Linux kernel vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...

kernel: memory leak when merging buffers in SCSI IO vectors

It was found that in the Linux kernel through v4.14-rc5, biomapuseriov and biounmapuser in 'block/bio.c' do unbalanced pages refcounting if IO vector has small consecutive buffers belonging to the same page. bioaddpcpage merges them into one, but the page reference is never dropped, causing a...