Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation

The Linux kernel is vulerable to a use-after-free flaw when Transformation User configuration interfaceCONFIGXFRMUSER compile-time configuration were enabled. This vulnerability occurs while closing a xfrm netlink socket in xfrmdumppolicydone. A user/process could abuse this flaw to potentially...

EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1539)

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution ...

Denial Of Service (DoS)

kernel-rt is vulnerable to denial of service DoS attacks. The vulnerability exists as net/xfrm/xfrmpolicy.c in the Linux kernel through 4.12.3, when CONFIGXFRMMIGRATE is enabled, does not ensure that the dir value of xfrmuserpolicyid is XFRMPOLICYMAX or less, which allows local users to cause a...

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

CVE-2018-17977

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTOAH packets, and IPPROTOIP packets, which allows local users to cause a denial of service memory consumption and system hang by leveraging root access to execute crafted applications, as demonstrated on...

Code injection

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTOAH packets, and IPPROTOIP packets, which allows local users to cause a denial of service memory consumption and system hang by leveraging root access to execute crafted applications, as demonstrated on...

CVE-2018-17977

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTOAH packets, and IPPROTOIP packets, which allows local users to cause a denial of service memory consumption and system hang by leveraging root access to execute crafted applications, as demonstrated on...

CVE-2018-17977

CVE-2018-17977 affects Linux kernel 4.14.67, where interaction between XFRM Netlink messages, IPPROTO_AH, and IPPROTO_IP can be exploited locally (with root) to trigger memory exhaustion and system hang; demonstrated on CentOS 7. The provided documents do not specify a fix or patch version.

CVE-2018-17977

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTOAH packets, and IPPROTOIP packets, which allows local users to cause a denial of service memory consumption and system hang by leveraging root access to execute crafted applications, as demonstrated on...

CVE-2018-17977

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTOAH packets, and IPPROTOIP packets, which allows local users to cause a denial of service memory consumption and system hang by leveraging root access to execute crafted applications, as demonstrated on...

PT-2018-2963

Name of the Vulnerable Software and Affected Versions Linux kernel version 4.14.67 Description The issue is related to incorrect handling of certain interactions between XFRM Netlink messages, IPPROTO AH packets, and IPPROTO IP packets. This can be exploited to cause a denial of service, resultin...

OracleVM 3.3 : Unbreakable / etc (OVMSA-2018-0237)

The remote OracleVM system is missing necessary patches to address critical security updates : - dm: fix race between dmgetfromkobject and dmdestroy Hou Tao CVE-2017-18203 - drm: udl: Properly check framebuffer mmap offsets Greg Kroah-Hartman Orabug: 27986407 CVE-2018-8781 - kernel/exit.c: avoid...

CentOS Update for kernel CESA-2018:1965 centos7

Check the version of kernel 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 scriptoid"1.3.6.1.4.1.25623.1.0.882915";...

kernel: Out-of-bounds access via an XFRM_MSG_MIGRATE xfrm Netlink message

The xfrmmigrate function in the net/xfrm/xfrmpolicy.c file in the Linux kernel built with CONFIGXFRMMIGRATE does not verify if the dir parameter is less than XFRMPOLICYMAX. This allows a local attacker to cause a denial of service out-of-bounds access or possibly have unspecified other impact by...

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

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. 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...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4131)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2018-4131 advisory. - netlink: add a start callback for starting a netlink dump Tom Herbert Orabug: 27169581 CVE-2017-16939 Tenable has extracted the preceding description bloc...

CentOS Update for kernel CESA-2018:1318 centos7

Check the version of kernel 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 scriptoid"1.3.6.1.4.1.25623.1.0.882900";...

Amazon Linux 2 : kernel (ALAS-2018-1023)

A weakness was found in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated. CVE-2018-1108 A flaw was found in the way the Linux kernel handled exceptions delivered after a stac...

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...

Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation

The Linux kernel is vulerable to a use-after-free flaw when Transformation User configuration interfaceCONFIGXFRMUSER compile-time configuration were enabled. This vulnerability occurs while closing a xfrm netlink socket in xfrmdumppolicydone. A user/process could abuse this flaw to potentially...