SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:0224-1)

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. This update brings following features : Support for Enhanced-IBRS on new Intel CPUs fate326564 The following security bugs were fixed: CVE-2018-9568: In skclonelock of sock.c, there is a possible memory...

SUSE SLES11 Security Update : kernel (SUSE-SU-2019:13937-1)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 3.0.101 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-9516: In hiddebugeventsread of drivers/hid/hid-debug.c, there is a possible out of bounds write due to a missing bounds check. This could lead...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:0095-1)

The SUSE Linux Enterprise 12 SP3 Azure kernel was updated to 4.4.162 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-18281: The mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the...

openSUSE: Security Advisory for kernel (openSUSE-SU-2018:4133-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...

openSUSE: Security Advisory for kernel (openSUSE-SU-2018:4133-1)

The remote host is missing an update for the Copyright C 2018 Greenbone Networks GmbH 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-or-later This program is free software; you can...

openSUSE Security Update : the Linux Kernel (openSUSE-2018-1548)

The openSUSE Leap 15.0 kernel was updated to 4.12.14-lp150.12.28.1 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-18281: The mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the...

Security update for the Linux Kernel (important)

The openSUSE Leap 15.0 kernel was updated to 4.12.14-lp150.12.28.1 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-18281: The mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the...

SUSE-SU-2018:4072-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-19824: A local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device with zero interfaces that is mishandled ...

Ubuntu: Security Advisory (USN-3832-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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: Security Advisory (USN-3835-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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 18.10 : Linux kernel (AWS) vulnerabilities (USN-3832-1)

Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. CVE-2018-17972 Jann Horn discovered that the mremap system...

openSUSE: Security Advisory for kernel (openSUSE-SU-2018:3817-1)

The remote host is missing an update for the Copyright C 2018 Greenbone Networks GmbH 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-or-later This program is free software; you can...

openSUSE Security Update : the Linux Kernel (openSUSE-2018-1427)

The openSUSE Leap 42.3 kernel was updated to 4.4.162 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-18281: The mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a...

Security update for the Linux Kernel (important)

The openSUSE Leap 42.3 kernel was updated to 4.4.162 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-18281: The mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a...

SUSE SLES11 Security Update : kernel (SUSE-SU-2018:3746-1)

The SUSE Linux Enterprise 11 SP4 kernel was updated to 3.0.101-108.81 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-18281: An issue was discovered in the Linux kernel, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscal...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:3689-1)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.162 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-14633: A security flaw was found in the chapservercomputemd5 function in the ISCSI target code in a way an authentication request from an ISCS...

SUSE-SU-2018:3689-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.162 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-14633: A security flaw was found in the chapservercomputemd5 function in the ISCSI target code in a way an authentication request from an ISC...

CVE-2018-18281

Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a task that is in the middle of mremap, a stale TLB entry can remain for a short time that permits access to a physical pag...

CVE-2018-18281

Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a task that is in the middle of mremap, a stale TLB entry can remain for a short time that permits access to a physical pag...

CVE-2018-18281

CVE-2018-18281 is a Linux kernel local vulnerability due to a race in mremap() where TLB flushes can occur too late, potentially allowing a process to access memory after it has been freed. The issue stems from moving page tables during mremap(), where stale TLB entries may remain until after the...