kernel security, bug fix, and enhancement update

4.18.0-240.OL8 - Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 =...

Denial Of Service (DoS)

kernel is vulnerable to denial-of-service DoS attacks. The vulnerability exists in dlparparseccproperty in arch/powerpc/platforms/pseries/dlpar.c due to an unchecked kstrdup of prop-name allowing an attacker to cause an application crash...

Denial Of Service (DoS)

glibc is vulnerable to Denial of Service DoS. The vulnerability exists due to an out-of-bounds write when handling signal trampolines on PowerPC which allows an attacker to cause an application crash...

glibc: array overflow in backtrace functions for powerpc

An out-of-bounds write vulnerability was found in glibc when handling signal trampolines on PowerPC. The backtrace function did not properly check the array bounds when storing the frame address resulting in a denial of service or potential code execution. The highest threat from this vulnerabili...

kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service

A flaw was found in the way Linux kernel's Dynamic Logical Partitioning DLPAR functionality on PowerPC systems handled low memory conditions on device discovery. An attacker who can change the LPAR configuration and incur low memory conditions at the same time could use this flaw to crash the...

RHEL 8 : glibc (RHSA-2020:4444)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4444 advisory. The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name...

Adtec Digital Products Hardcoded Credentials / Remote Root

Exploit Title: Adtec Digital Multiple Products - Default Hardcoded Credentials Remote Root Date: 2020-07-24 Exploit Author: LiquidWorm Software Link: https://www.adtecdigital.com / https://www.adtecdigital.com/support/documents-downloads Version: Multiple Adtec Digital Multiple Products - Default...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1682)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-12351: A type confusion while processing AMP packets could be used by physical close attackers to crash the kernel or potentially execute code was fixed...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:1682-1 Rating: important References: 1065729 1140683 1172538 1174748 1175520 1176381 1176400 1176946 1177340 1177511 1177685 1177724 1177725 Cross-References: CVE-2020-12351 CVE-2020-12352...

kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service

A flaw was found in the way Linux kernel's Dynamic Logical Partitioning DLPAR functionality on PowerPC systems handled low memory conditions on device discovery. An attacker who can change the LPAR configuration and incur low memory conditions at the same time could use this flaw to crash the...

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically the backtrace function did not properly check the array bounds when storing the frame address resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.

...

EulerOS Virtualization for ARM 64 3.0.2.0 : glibc (EulerOS-SA-2020-1956)

According to the versions of the glibc packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds write vulnerability was found in glibc when handling signal trampolines on PowerPC. The backtrace...

RHEL 8 : kernel (RHSA-2020:1372)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1372 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: powerpc: local user can read...

Security Bulletin: Vyatta 5600 vRouter Software Patches - Release 1801-ze

Summary AT&T has released versions 1801-ze for the Vyatta 5600. Details of these releases can be found at https://cloud.ibm.com/docs/infrastructure/virtual-router-appliance?topic=virtual-router-appliance-at-t-vyatta-5600-vrouter-software-patchesat-t-vyatta-5600-vrouter-software-patches...

kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call

A flaw was found in the PowerPc platform, where the kernel will panic if the transactional memory is disabled. An attacker could use this flaw to panic the system by constructing a signal context through the transactional memory MSR bits set...

Oracle Linux 6 : kernel (ELSA-2020-2933)

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-2933 advisory. - x86 x86/speculation: Provide SRBDS late microcode loading support Waiman Long 1827185 CVE-2020-0543 - documentation x86/speculation: Add Ivy Bridge to affecte...

kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure

A flaw was found in the way the Linux kernel implemented a software flush of the Count Cache indirect branch cache and Link Return Address Stack on the PowerPC platform. The flushing of these structures helps to prevent SpectreRSB like attacks which may leak information from one user process to...

kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure

A flaw was found in the way the Linux kernel implemented a software flush of the Count Cache indirect branch cache and Link Return Address Stack on the PowerPC platform. The flushing of these structures helps to prevent SpectreRSB like attacks which may leak information from one user process to...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

The vulnerability of the arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c components of the Linux operating system allows a hacker to gain unauthorized access to certain information.

The vulnerability of the arch/powerpc/kernel/entry64.S and arch/powerpc/kernel/security.c components of the Linux operating system is related to the recovery of data that remains in the processor cache as a result of speculative execution of instructions. Exploiting this vulnerability can allow a...