Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2017-16939): Linux kernel (Xenial HWE) regression

Back to Search

Ubuntu: (Multiple Advisories) (CVE-2017-16939): Linux kernel (Xenial HWE) regression

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
11/24/2017
Created
07/25/2018
Added
12/08/2017
Modified
08/25/2021

Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Solution(s)

  • ubuntu-upgrade-linux-image-3-13-0-137-generic
  • ubuntu-upgrade-linux-image-3-13-0-137-generic-lpae
  • ubuntu-upgrade-linux-image-3-13-0-137-lowlatency
  • ubuntu-upgrade-linux-image-3-13-0-137-powerpc-e500
  • ubuntu-upgrade-linux-image-3-13-0-137-powerpc-e500mc
  • ubuntu-upgrade-linux-image-3-13-0-137-powerpc-smp
  • ubuntu-upgrade-linux-image-3-13-0-137-powerpc64-emb
  • ubuntu-upgrade-linux-image-3-13-0-137-powerpc64-smp
  • ubuntu-upgrade-linux-image-4-10-0-1023-raspi2
  • ubuntu-upgrade-linux-image-4-10-0-42-generic
  • ubuntu-upgrade-linux-image-4-10-0-42-generic-lpae
  • ubuntu-upgrade-linux-image-4-10-0-42-lowlatency
  • ubuntu-upgrade-linux-image-4-11-0-1016-azure
  • ubuntu-upgrade-linux-image-4-13-0-1002-gcp
  • ubuntu-upgrade-linux-image-4-13-0-1008-raspi2
  • ubuntu-upgrade-linux-image-4-13-0-19-generic
  • ubuntu-upgrade-linux-image-4-13-0-19-generic-lpae
  • ubuntu-upgrade-linux-image-4-13-0-19-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1005-aws
  • ubuntu-upgrade-linux-image-4-4-0-1006-aws
  • ubuntu-upgrade-linux-image-4-4-0-1012-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1013-kvm
  • ubuntu-upgrade-linux-image-4-4-0-103-generic
  • ubuntu-upgrade-linux-image-4-4-0-103-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-103-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-103-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-103-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-103-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-103-powerpc64-smp
  • ubuntu-upgrade-linux-image-4-4-0-104-generic
  • ubuntu-upgrade-linux-image-4-4-0-104-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-104-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-104-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-104-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-104-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-104-powerpc64-smp
  • ubuntu-upgrade-linux-image-4-4-0-1043-aws
  • ubuntu-upgrade-linux-image-4-4-0-1044-aws
  • ubuntu-upgrade-linux-image-4-4-0-1079-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1080-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1081-snapdragon
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae-lts-trusty
  • ubuntu-upgrade-linux-image-generic-lpae-lts-xenial
  • ubuntu-upgrade-linux-image-generic-lts-trusty
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc-e500
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc-smp-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-emb-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc64-smp
  • ubuntu-upgrade-linux-image-powerpc64-smp-lts-xenial
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;