The vulnerability of the do_shmat function in the ipc/shm.c component of the Linux operating system’s kernel, which stems from insufficient validation of input data, allows a privileged user to circumvent existing security restrictions.

The vulnerability of the doshmat function in the ipc/shm.c component of the Linux operating system’s kernel is related to insufficient validation of input data. Exploiting this vulnerability could allow an attacker to circumvent existing security restrictions...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:3387-1 Rating: important References: 1065729 1148868 1152489 1154353 1159886 1167773 1170774 1171688 1173746 1174003 1176447 1176940 1177028 1178134 1184439 1184804 1185302 1185550 1185677 1185726...

PT-2021-8110 · Xwayland +9 · Xwayland +9

Name of the Vulnerable Software and Affected Versions: Wayland affected versions not specified Description: The issue is related to an integer overflow in the reference count of the buffer pool. This can occur when a large number of wl shm buffer objects are created or when the server is coerced...

NewStart CGSL CORE 5.04 / MAIN 5.04 : libqb Vulnerability (NS-SA-2020-0057)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has libqb packages installed that are affected by a vulnerability: - libqb before 1.0.5 allows local users to overwrite arbitrary files via a symlink attack, because it uses predictable filenames under /dev/shm and /tmp without...

Linux: noexec option on /dev/shm

The noexec mount option specifies that the filesystem cannot contain executable binaries. Setting this option on a file system prevents users from executing programs from shared memory. This deters users from introducing potentially malicious software on the system. SPDX-FileCopyrightText: 2020...

Memory Corruption Vulnerability in HollySys HT8000 at Beijing Hollis Automation Drive Technology Co.

Founded in 1993, Hollis is a leading automation and information technology solutions provider in China. HT8000CN configuration software is the company's HT series touch screen configuration screen development system. The HT8000CN configuration software is the HT series touch screen configuration...

SUSE SLES12 Security Update : tigervnc (SUSE-SU-2020:0266-1)

This update for tigervnc provides the following fixes : Security issues fixed : CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder bsc1159856. CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode bsc1160250. CVE-2019-15693: Fixed a...

SUSE-SU-2020:0266-1 Security update for tigervnc

This update for tigervnc provides the following fixes: Security issues fixed: - CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder bsc1159856. - CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode bsc1160250. - CVE-2019-15693: Fixed a...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2019-1524)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Linux: Separate partition for /dev/shm

/dev/shm implements traditional shared memory concept. It is an efficient means of passing data between programs. This script tests if a separate partition exists for /dev/shm. Copyright C 2020 Greenbone Networks GmbH SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you ca...

libqb security and bug fix update

1.0.3-10 Avoid deadlock in IPC connections Resolves: rhbz1718773 1.0.3-9 Improve security of SHM files used for IPCs Resolves: rhbz1714854 1.0.3-8 - Add RHEL-8.1 gating tests Resolves: rhbz1682119...

Arbitrary File Overwrite

libqb is vulnerable to arbitrary file overwrite. An attacker is able to overwrite arbitrary files via a symlink attack due to the usage of predictable filenames under /dev/shm and /tmp without OEXCL...

DEBIAN-CVE-2019-12779

libqb before 1.0.5 allows local users to overwrite arbitrary files via a symlink attack, because it uses predictable filenames under /dev/shm and /tmp without OEXCL...

FreeBSD : FreeBSD -- POSIX shm allows jails to access global namespace (5b1463dd-dab3-11e7-b5af-a4badb2f4699)

Named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. Impact : A malicious user that has access to a jailed system is able to abuse shared memory by injecting...

FreeBSD 10.3 / 10.4 : shm Insecure Memory Vulnerability (FreeBSD-SA-17:09.shm)

The version of the FreeBSD kernel running on the remote host is prior to 10.3-RELEASE-p24, or 10.4 prior to 10.4-RELEASE-p3. It is, therefore, affected by a potential information disclosure vulnerabilities in shm. An authenticated, remote attacker can exploit this issue by accessing the shared...

FreeBSD -- POSIX shm allows jails to access global namespace

Problem Description: Named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. Impact: A malicious user that has access to a jailed system is able to abuse shared...

Updated x11-server packages fix security vulnerabilities

In Xext/shm, the shmseg resource id can belong to a non-existing client and abort X server with FatalError "client not in use", or overwrite existing segment of another existing client CVE-2017-13721. Generating strings for XKB data used a single shared static buffer, which offered several...

[slackware-security] xorg-server

New xorg-server packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/xorg-server-1.18.3-i586-4slack14.2.txz: Rebuilt. This update fixes two security issues: Xext/shm: Validate shmseg...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3566)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-3566 advisory. - nfsd: stricter decoding of write-like NFSv2/v3 ops J. Bruce Fields Orabug: 25986990 CVE-2017-7895 - KVM: x86: fix emulation of 'MOV SS, null...

OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0105)

The remote OracleVM system is missing necessary patches to address critical security updates : - nfsd: stricter decoding of write-like NFSv2/v3 ops J. Bruce Fields Orabug: 25986990 CVE-2017-7895 - fnic: Update fnic driver version to 1.6.0.24 John Sobecki Orabug: 24448585 - xen-netfront: Rework th...