Mageia: Security Advisory (MGASA-2021-0117)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

Important: kernel

Issue Overview: 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...

UVI-2021-1002250 tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc

tty: ttybuffer: Fix the softlockup issue in flushtoldisc This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.218 by commit...

LSN-0082-1 Kernel Live Patch Security Notice

Jann Horn discovered that the tty subsystem of the Linux kernel did not use consistent locking in some situations, leading to a read-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel...

kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read-after-free

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel. A local user could use this flaw to read numerical value from memory after free...

USN-5130-1 linux vulnerabilities

Jann Horn discovered a race condition in the tty subsystem of the Linux kernel in the locking for the TIOCSPGRP ioctl, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-29661 Jann Horn...

USN-5130-1: Linux kernel vulnerabilities

Jann Horn discovered a race condition in the tty subsystem of the Linux kernel in the locking for the TIOCSPGRP ioctl, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-29661 Jann Horn...

The vulnerability of the tty multiplexer in the FFmpeg multimedia library, related to the disclosure of information that allows a hacker to access confidential data

The vulnerability of the tty demultiplexer in the FFmpeg multimedia library is related to the absence of a function named ‘readprobe’ that is intended for the tty demultiplexer. Exploiting this vulnerability can allow an attacker to gain access to confidential data through a specially created...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2021-0104)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - In the Linux kernel before 5.3.9, there are multiple out-of-bounds write bugs that can be caused by a malicious USB device in the Linux kernel HID...

CLSA-2021-1634922728 Fixed 22 CVEs in kernel

ELS-138: netfilter: xtables: add missing tables zeroing - ELS-138: CVE-2021-33909: seqfile: disallow extremely large seq buffer allocation - ELS-138: CVE-2021-22555: netfilter: xtables: fix compat match/target pad out-of-bound write - ELS-138: CVE-2020-29661: tty: Fix -pgrp locking in tiocspgrp -...

GSD-2021-1001767 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.9 by commit...

GSD-2021-1001674 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.70 by commit...

UVI-2021-1001674 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.70 by commit...

UVI-2021-1001614 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.150 by commit...

GSD-2021-1001605 tty: Fix out-of-bound vmalloc access in imageblit

tty: Fix out-of-bound vmalloc access in imageblit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.151 by commit...

GSD-2021-1001575 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.209 by commit...

UVI-2021-1001567 tty: Fix out-of-bound vmalloc access in imageblit

tty: Fix out-of-bound vmalloc access in imageblit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.209 by commit...

GSD-2021-1001567 tty: Fix out-of-bound vmalloc access in imageblit

tty: Fix out-of-bound vmalloc access in imageblit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.209 by commit...

GSD-2021-1001546 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.249 by commit...

UVI-2021-1001546 staging: greybus: uart: fix tty use after free

staging: greybus: uart: fix tty use after free This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.249 by commit...