kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory

An out-of-bounds write flaw was found in the Linux kernel’s framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUTVSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory

An out-of-bounds write flaw was found in the Linux kernel’s framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUTVSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system...

The vulnerability of the Linux operating system’s kernel, related to writing beyond buffer boundaries in memory, allows a hacker to cause a service failure.

The vulnerability in the drivers/video/fbdev/core/fbcon.c file of the Linux operating system is related to writing beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to trigger a service failure...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-4751-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4751-1 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 sensitive...

USN-4680-1: Linux kernel vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description It was discovered that debugfs in the Linux kernel as used by blktrace contained a use-after-free in some situations. A privileged local attacker could possibly use this to cause a denial of service syste...

Ubuntu: Security Advisory (USN-4681-1)

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...

USN-4683-1: Linux kernel (OEM) vulnerability

Minh Yuan discovered that the framebuffer console driver in the Linux kernel did not properly handle fonts in some conditions. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory...

USN-4683-1 linux-oem-5.6 vulnerability

Minh Yuan discovered that the framebuffer console driver in the Linux kernel did not properly handle fonts in some conditions. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerability (USN-4683-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4683-1 advisory. Minh Yuan discovered that the framebuffer console driver in the Linux kernel did not properly handle fonts in some conditions. A local attacker could use this to...

USN-4681-1: Linux kernel vulnerabilities

Ryan Hall discovered that the Intel 700 Series Ethernet Controllers driver in the Linux kernel did not properly deallocate memory in some conditions. A local attacker could use this to cause a denial of service kernel memory exhaustion. CVE-2019-0148 It was discovered that the console keyboard...

USN-4681-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities

Ryan Hall discovered that the Intel 700 Series Ethernet Controllers driver in the Linux kernel did not properly deallocate memory in some conditions. A local attacker could use this to cause a denial of service kernel memory exhaustion. CVE-2019-0148 It was discovered that the console keyboard...

USN-4679-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

It was discovered that the console keyboard driver in the Linux kernel contained a race condition. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-25656 Minh Yuan discovered that the tty driver in the Linux kernel contained race conditions when handling...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4681-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4681-1 advisory. Ryan Hall discovered that the Intel 700 Series Ethernet Controllers driver in the Linux kernel did not properly deallocate memory in some conditions. A...

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...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4680-1)

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-4680-1 advisory. It was discovered that debugfs in the Linux kernel as used by blktrace contained a use-after-free in some situations. A privileged local...

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.

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Linux kernel slab out-of-bounds read vulnerability

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A slab out-of-bounds read vulnerability exists in fbcon in Linux kernel versions prior to 5.9.7. The vulnerability...

UBUNTU-CVE-2020-28974

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

Linux kernel buffer over-read vulnerability

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A buffer over-read vulnerability exists in the fbcon code in Linux kernel versions prior to 5.8.15. A local attacker...

DEBIAN-CVE-2020-28915

A buffer over-read at the framebuffer layer in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def...