CVE-2021-3491

The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memrw when reading /proc//mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was...

CVE-2021-3491

CVE-2021-3491 concerns the Linux kernel io_uring PROVIDE_BUFFERS path, where the MAX_RW_COUNT limit could be bypassed, causing negative values to be used in mem_rw during /proc//mem reads. This could enable a heap overflow and potential arbitrary code execution in the kernel. The issue was addres...

CVE-2021-3491 Linux kernel io_uring PROVIDE_BUFFERS MAX_RW_COUNT bypass

The iouring subsystem in the Linux kernel allowed the MAXRWCOUNT limit to be bypassed in the PROVIDEBUFFERS operation, which led to negative values being usedin memrw when reading /proc//mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was...

EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2021-1971)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - There is a flaw reported in drivers/gpu/drm/nouveau/nouveausgdma.c in nouveausgdmacreatettm in Nouveau DRM subsystem. The issue...

kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free

A locking vulnerability was found in the tty subsystem of the Linux kernel in drivers/tty/ttyjobctrl.c. This flaw allows a local attacker to possibly corrupt memory or escalate privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability...

PT-2024-11327 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a use-after-free vulnerability in the Linux kernel's iSCSI subsystem. If a unbind target call has not been made, there is a potential race condition where iscsi...

PT-2021-4240 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.13-rc5 Description: A use-after-free in the function hci sock bound ioctl of the Linux kernel HCI subsystem was found. This occurs when a user calls ioct HCIUNBLOCKADDR or triggers a race condition with the ca...

DEBIAN-CVE-2021-20292

There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveausgdma.c in nouveausgdmacreatettm in Nouveau DRM subsystem. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker with ...

Apple macOS Big Sur Input Validation Error Vulnerability

Apple macOS Big Sur is a mobile application app from Apple USA. The macOS Big Sur vulnerability is an input validation error vulnerability that arises from a failure to adequately validate user-supplied input within the TCC subsystem, which could allow a malicious application to bypass privacy...

CVE-2020-10774

A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rhfeatures file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to...

Apple macOS 输入验证错误漏洞

Apple macOS is a proprietary operating system developed by Apple Inc. for Mac computers. Apple macOS is vulnerable to an input validation error vulnerability that exists due to a symbolic link issue in the Core Services subsystem, which allows a local user to create specially crafted symbolic lin...

Apple macOS 权限许可和访问控制问题漏洞

Apple macOS is a proprietary operating system developed by Apple Inc. for Mac computers. macOS is vulnerable to a privilege-granting and access-control issue, which arises from an application that does not properly impose security restrictions within the AMD subsystem. A remote attacker could...

Apple tvOS 输入验证错误漏洞

Apple tvOS is a smart TV operating system from Apple, Inc. tvOS suffers from an input validation error vulnerability that originates from insufficient user-supplied input validation in the operating system kernel subsystem. A remote attacker could exploit this vulnerability to send a specially...

Apple tvOS 缓冲区错误漏洞

Apple tvOS is an operating system for Smart TVs from Apple, Inc. tvOS suffers from a buffer error vulnerability that stems from a boundary condition in the audio subsystem. A remote attacker could exploit the vulnerability could create a specially crafted audio file, trick a victim into opening i...

Apple tvOS 缓冲区错误漏洞

Apple tvOS is an operating system for Smart TVs from Apple Inc. in the United States. Apple tvOS suffers from a buffer error vulnerability that stems from a boundary condition in the coreaudio subsystem. A remote attacker could use this vulnerability to create a specially crafted audio file, tric...

Apple tvOS 缓冲区错误漏洞

Apple tvOS is an operating system for Smart TVs from Apple, Inc. tvOS suffers from a buffer error vulnerability that stems from a boundary error in the audio subsystem. A remote attacker could exploit the vulnerability to create a specially crafted audio file, trick the victim into opening it,...

Ubuntu: Security Advisory (USN-4945-2)

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...

USN-4945-2: Linux kernel (Raspberry Pi) vulnerabilities

USN-4945-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS and Ubuntu 18.04 LTS. This update provides the corresponding Linux kernel updates targeted specifically for Raspberry Pi devices in those same Ubuntu Releases. Original advisory details: It was discovered that the Nouveau G...

CVE-2019-25044

A flaw was found in the Linux kernel. The block subsystem has a use-after-free that can lead to arbitrary code execution in the kernel context and privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-4945-2)

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-4945-2 advisory. USN-4945-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS and Ubuntu 18.04 LTS. This update provides the corresponding Linux...