kernel: performance counters race condition use-after-free

A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integri...

kernel: performance counters race condition use-after-free

A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integri...

kernel: performance counters race condition use-after-free

A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integri...

Security Bulletin: Publicly disclosed vulnerability from Kernel affects IBM Netezza Host Management

Summary Kernel is used by IBM Netezza Host Management. This bulletin provides mitigation for the reported vulnerability. Vulnerability Details CVEID: CVE-2020-14351 DESCRIPTION: Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a...

USN-4752-1: Linux kernel (OEM) vulnerabilities

Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen discovered that legacy pairing and secure-connections pairing authentication in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. A physically proxima...

USN-4660-2: Linux kernel regression | Cloud Foundry

Severity Unknown Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description USN-4660-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This updat...

USN-4711-1: Linux kernel vulnerabilities

It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data...

USN-4711-1 linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data...

USN-4710-1 linux, linux-hwe vulnerability

Kiyin 尹亮 discovered that the perf subsystem in the Linux kernel did not properly deallocate memory in some situations. A privileged attacker could use this to cause a denial of service kernel memory exhaustion...

USN-4710-1: Linux kernel vulnerability

Kiyin 尹亮 discovered that the perf subsystem in the Linux kernel did not properly deallocate memory in some situations. A privileged attacker could use this to cause a denial of service kernel memory exhaustion...

Ubuntu: Security Advisory (USN-4711-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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 / 18.04 LTS : Linux kernel vulnerabilities (USN-4711-1)

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-4711-1 advisory. It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY...

Medium: kernel

Issue Overview: A use-after-free flaw was found in the debugfsremove function in the Linux kernel. The flaw could allow a local attacker with special user or root privilege to crash the system at the time of file or directory removal. This vulnerability can lead to a kernel information leak. The...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9006)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9006 advisory. - xen-blkback: set ring-xenblkd to NULL after kthreadstop Pawel Wieczorkiewicz Orabug: 32260252 CVE-2020-29569 - xenbus/xenbusbackend: Disallow...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4679-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4679-1 advisory. It was discovered that the console keyboard driver in the Linux kernel contained a race condition. A local attacker could use this to expose...

The vulnerability of the perf subsystem in the Linux operating system allows attackers to increase their privileges.

The vulnerability of the Linux operating system’s kernel-perf subsystem is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to increase their privileges...

USN-4658-2: Linux kernel regression

USN-4658-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4659-2: Linux kernel regression

USN-4659-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel regression (USN-4658-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4658-2 advisory. USN-4658-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel regression (USN-4660-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4660-2 advisory. USN-4660-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with...