The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Linux kernel: use after free via do_get_mempolicy

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via do_get_mempolicy() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted software: BIG-IP Hardware, TMOS, QRadar SIEM, Junos Space, Linux, Oracle Communications, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 03/05/2018.
Références of this announce: CERTFR-2018-AVI-256, CERTFR-2018-AVI-319, CERTFR-2018-AVI-330, CERTFR-2018-AVI-386, CERTFR-2018-AVI-408, CERTFR-2018-AVI-457, CERTFR-2018-AVI-584, cpujul2020, CVE-2018-10675, ibm10742755, JSA10917, K40540405, RHSA-2018:2164-01, RHSA-2018:2384-01, RHSA-2018:2395-01, RHSA-2018:2785-01, RHSA-2018:2791-01, RHSA-2018:2924-01, RHSA-2018:2925-01, RHSA-2018:2933-01, RHSA-2018:3540-01, RHSA-2018:3586-01, RHSA-2018:3590-01, SUSE-SU-2018:1368-1, SUSE-SU-2018:1374-1, SUSE-SU-2018:1375-1, SUSE-SU-2018:1376-1, SUSE-SU-2018:1846-1, USN-3754-1, VIGILANCE-VUL-26038.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via do_get_mempolicy() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer vulnerability announce impacts software or systems such as BIG-IP Hardware, TMOS, QRadar SIEM, Junos Space, Linux, Oracle Communications, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat 

Linux kernel: patch for do_get_mempolicy.
A patch is indicated in information sources.

F5 BIG-IP: solution for Linux CVE-2018-10675.
The solution is indicated in information sources.

IBM QRadar SIEM: patch for Linux.
A patch is indicated in information sources.

Junos Space: version 18.3R1.
The version 18.3R1 is fixed.

Oracle Communications: CPU of July 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2681987.1
  https://support.oracle.com/rs?type=doc&id=2682459.1
  https://support.oracle.com/rs?type=doc&id=2682014.1
  https://support.oracle.com/rs?type=doc&id=2683787.1
  https://support.oracle.com/rs?type=doc&id=2683788.1
  https://support.oracle.com/rs?type=doc&id=2683789.1
  https://support.oracle.com/rs?type=doc&id=2682045.1
  https://support.oracle.com/rs?type=doc&id=2683831.1
  https://support.oracle.com/rs?type=doc&id=2682010.1
  https://support.oracle.com/rs?type=doc&id=2683832.1
  https://support.oracle.com/rs?type=doc&id=2682500.1
  https://support.oracle.com/rs?type=doc&id=2683241.1
  https://support.oracle.com/rs?type=doc&id=2682011.1
  https://support.oracle.com/rs?type=doc&id=2683840.1
  https://support.oracle.com/rs?type=doc&id=2682018.1
  https://support.oracle.com/rs?type=doc&id=2683841.1
  https://support.oracle.com/rs?type=doc&id=2683842.1
  https://support.oracle.com/rs?type=doc&id=2683843.1
  https://support.oracle.com/rs?type=doc&id=2683845.1

RHEL 6.4: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-358.93.1.el6

RHEL 6.5: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-431.93.2.el6

RHEL 6.6: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-504.76.2.el6

RHEL 6.7: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-573.65.2.el6

RHEL 6: new kernel packages (11/07/2018).
New packages are available:
  RHEL 6: kernel 2.6.32-754.2.1.el6

RHEL 6: new kernel-rt packages.
New packages are available:
  RHEL 6: kernel-rt 3.10.0-693.43.1.rt56.630.el6rt

RHEL 7.2: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-327.76.1.el7

RHEL 7.3: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-514.58.1.el7

RHEL 7.4: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-693.43.1.el7

RHEL 7: new kernel packages (16/08/2018).
New packages are available:
  RHEL 7: kernel 3.10.0-862.11.6.el7

RHEL 7: new kernel-rt packages (16/08/2018).
New packages are available:
  RHEL 7: kernel-rt 3.10.0-862.11.6.rt56.819.el7

SUSE LE 11 SP3: new kernel packages (23/05/2018).
New packages are available:
  SUSE LE 11 SP3: kernel 3.0.101-0.47.106.29.1

SUSE LE 11 SP4: new kernel packages (23/05/2018).
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.48.1

SUSE LE 11 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 11 SP4: kernel-rt 3.0.101.rt130-69.27.1

SUSE LE 12 RTM: new kernel packages.
New packages are available:
  SUSE LE 12 RTM: kernel 3.12.61-52.133.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.93.1

Ubuntu 14.04: new linux-image-3.13.0 packages.
New packages are available:
  Ubuntu 14.04 LTS: linux-image-generic 3.13.0.157.167
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides cybersecurity announces. The Vigil@nce vulnerability database contains several thousand vulnerabilities.