Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an unreleased backlight device reference count in the appletb-kbd driver...

CVE-2021-33094

Insecure inherited permissions in the installer for the IntelR NUC M15 Laptop Kit Keyboard LED Service driver pack before version 1.0.0.4 may allow an authenticated user to potentially enable escalation of privilege via local access...

The vulnerability of the asus_kbd_backlight_set() function (drivers/hid/hid-asus.c) in the ASUS Linux operating system’s USB keyboard driver allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the asuskbdbacklightset function drivers/hid/hid-asus.c in the ASUS Linux kernel-based USB keyboard driver is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Integer Overflow

kernel-rt is vulnerable to integer overflow. No code depends on this integer overflow so it is unlikely that the vulnerability can be used for anything apart from crashing the system. An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow ...

kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c

A flaw integer overflow in the Linux kernel's virtual terminal keyboard driver was found in the way the user sends some specific keyboard code multiple times. A local user could use this flaw to crash the system or possibly escalate their privileges on the system...

kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c

A flaw integer overflow in the Linux kernel's virtual terminal keyboard driver was found in the way the user sends some specific keyboard code multiple times. A local user could use this flaw to crash the system or possibly escalate their privileges on the system...

CVE-2020-13974

A flaw integer overflow in the Linux kernel's virtual terminal keyboard driver was found in the way the user sends some specific keyboard code multiple times. A local user could use this flaw to crash the system or possibly escalate their privileges on the system. Mitigation Mitigation for this...

USN-4912-1: Linux kernel (OEM) vulnerabilities

Piotr Krysiuk discovered that the BPF JIT compiler for x86 in the Linux kernel did not properly validate computation of branch displacements in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-29154 It was...

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-4749-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2020-25669 It was discovered that the jfs file system implementation in the Linux kernel...

Ubuntu: Security Advisory (USN-4709-1)

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 : Linux kernel vulnerabilities (USN-4708-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4708-1 advisory. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to...

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-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...

CVE-2020-25669

A vulnerability was found in the Linux Kernel where the function sunkbdreinit having been scheduled by sunkbdinterrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbddisconnect, there is still an alias in sunkbdreinit causing Use After Free...

Linux kernel integer overflow vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. An integer overflow vulnerability exists in the drivers/tty/vt/keyboard.c file in Linux kernel 5.7.1 and earlier. A local attacker could exploit this vulnerability to...

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

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