SUSE-SU-2018:1235-1 Security update for the Linux Kernel (Live Patch 31 for SLE 12)

This update for the Linux Kernel 3.12.61-52119 fixes several issues. The following security issues were fixed: - CVE-2018-1000199: A bug in x86 debug register handling of ptrace could lead to memory corruption, possibly a denial of service or privilege escalation bsc1090036. - CVE-2017-0861:...

RHEL 7 : kernel-rt (RHSA-2018:1355)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1355 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 7 : kernel (RHSA-2018:1348)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1348 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Kernel: KVM: error in exception handli...

RHEL 7 : kernel (RHSA-2018:1347)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1347 advisory. - Kernel: KVM: error in exception handling leads to wrong debug stack value CVE-2018-1087 - Kernel: error in exception handling leads to DoS...

RHEL 7 : kernel (RHSA-2018:1345)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1345 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Kernel: KVM: error in exception handli...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise MRG 2. 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 each vulnerability from t...

kernel: ptrace() incorrect error handling leads to corruption and DoS

An address corruption flaw was discovered in the Linux kernel built with hardware breakpoint CONFIGHAVEHWBREAKPOINT support. While modifying a h/w breakpoint via 'modifyuserhwbreakpoint' routine, an unprivileged user/process could use this flaw to crash the system kernel resulting in DoS OR to...

kernel: ptrace() incorrect error handling leads to corruption and DoS

An address corruption flaw was discovered in the Linux kernel built with hardware breakpoint CONFIGHAVEHWBREAKPOINT support. While modifying a h/w breakpoint via 'modifyuserhwbreakpoint' routine, an unprivileged user/process could use this flaw to crash the system kernel resulting in DoS OR to...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.4 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...

Linux Kernel Denial of Service Vulnerability (CNVD-2018-10153)

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. Linux Kernel suffers from a ptrace error handling denial of service vulnerability. A local user can exploit this...

UBUNTU-CVE-2018-1000199

The Linux Kernel version 3.18 contains a dangerous feature vulnerability in modifyuserhwbreakpoint that can result in crash and possibly memory corruption. This attack appear to be exploitable via local code execution and the ability to use ptrace. This vulnerability appears to have been fixed in...

kernel: exec/ptrace: get_dumpable() incorrect tests

A flaw was found in the way the getdumpable function return value was interpreted in the ptrace subsystem of the Linux kernel. When 'fs.suiddumpable' was set to 2, a local, unprivileged local user could use this flaw to bypass intended ptrace restrictions and obtain potentially sensitive...

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

An update for kernel is now available for Red Hat Enterprise Linux 5.9 Long Life. 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 each...

Linux kernel denial of service vulnerability (CNVD-2018-07889)

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 denial of service vulnerability exists in the flushtmregstothread function in arch/powerpc/kernel/ptrace.c in Linux...

DEBIAN-CVE-2018-1091

In the flushtmregstothread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory TM...

Sudohulk - Try Privilege Escalation Changing Sudo Command

This tool change sudo command, hooking the execve syscall using ptrace, tested under bash and zsh supported architectures: x8664 x86 arm How use: $ make cc -Wall -Wextra -O2 -c -o bin/shremotedata.o src/shremotedata.c cc -Wall -Wextra -O2 -c -o bin/shstring.o src/shstring.c cc -Wall -Wextra -O2 -...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0010) (Meltdown) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/pti/efi: broken conversion from efi to kernel page table Pavel Tatashin Orabug: 27363926 Orabug: 27352353 CVE-2017-5754 - x86/spec: Always set IBRS to guest value on VMENTER and host on VMEXIT red...

FreeBSD : FreeBSD -- Kernel data leak via ptrace(PT_LWPINFO) (34a3f9b5-dab3-11e7-b5af-a4badb2f4699)

Not all information in the struct ptracelwpinfo is relevant for the state of any thread, and the kernel does not fill the irrelevant bytes or short strings. Since the structure filled by the kernel is allocated on the kernel stack and copied to userspace, a leak of information of the kernel stack...

FreeBSD 10.3 / 10.4 / 11.0 / 11.1 : ptrace / kldstat Information Disclosure Vulnerabilities (FreeBSD-SA-17:08.ptrace) (FreeBSD-SA-17:10.kldstat)

The version of the FreeBSD kernel running on the remote host is prior to 10.3-RELEASE-p24, 10.4 prior to 10.4-RELEASE-p3, 11.0 prior to 11.0-RELEASE-p15, or 11.1 prior to 11.1-RELEASE-p4. It is, therefore, affected by a potential information disclosure vulnerabilities in ptrace and kldstat. An...