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security bulletin CVE-2019-11810

Linux kernel: NULL pointer dereference via megasas_alloc_cmds

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via megasas_alloc_cmds() of the Linux kernel, in order to trigger a denial of service.
Severity of this alert: 1/4.
Creation date: 09/05/2019.
Références of this alert: 1103505, CERTFR-2019-AVI-244, CERTFR-2019-AVI-254, CERTFR-2019-AVI-361, CERTFR-2019-AVI-376, CERTFR-2019-AVI-417, CERTFR-2019-AVI-418, CERTFR-2019-AVI-419, CERTFR-2019-AVI-440, CERTFR-2019-AVI-441, CERTFR-2019-AVI-451, CERTFR-2019-AVI-458, CVE-2019-11810, DLA-1823-1, DSA-2019-148, DSA-2019-149, openSUSE-SU-2019:1923-1, openSUSE-SU-2019:1924-1, RHSA-2019:1959-01, RHSA-2019:1971-01, RHSA-2019:2029-01, RHSA-2019:2043-01, RHSA-2019:2736-01, RHSA-2019:2837-01, RHSA-2019:3217-01, SUSE-SU-2019:14157-1, SUSE-SU-2019:2068-1, SUSE-SU-2019:2069-1, SUSE-SU-2019:2070-1, SUSE-SU-2019:2071-1, SUSE-SU-2019:2072-1, SUSE-SU-2019:2073-1, SUSE-SU-2019:2262-1, SUSE-SU-2019:2263-1, SUSE-SU-2019:2299-1, SUSE-SU-2019:2430-1, SUSE-SU-2019:2450-1, USN-4005-1, USN-4008-1, USN-4008-3, USN-4115-1, USN-4115-2, USN-4118-1, VIGILANCE-VUL-29255.
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Description of the vulnerability

An attacker can force a NULL pointer to be dereferenced via megasas_alloc_cmds() of the Linux kernel, in order to trigger a denial of service.
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This cybersecurity announce impacts software or systems such as Debian, QRadar SIEM, Linux, openSUSE Leap, RHEL, RSA Authentication Manager, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this threat alert is low.

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 computer weakness alert.

Solutions for this threat

Linux kernel: version 5.0.7.
The version 5.0.7 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.34.
The version 4.19.34 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.111.
The version 4.14.111 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.168.
The version 4.9.168 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.69.
The version 3.16.69 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

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

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.68-2

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

openSUSE Leap: new kernel packages.
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.70.1
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.13.1

RHEL 6: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-754.22.1.el6

RHEL 7.6: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-957.35.1.el7

RHEL 7: new kernel-alt packages.
New packages are available:
  RHEL 7: kernel-alt 4.14.0-115.14.1.el7a

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-1062.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-1062.rt56.1022.el7

RHEL 8: new kernel packages.
New packages are available:
  RHEL 8: kernel 4.18.0-80.7.1.el8_0

RHEL 8: new kernel-rt packages.
New packages are available:
  RHEL 8: kernel-rt 4.18.0-80.7.1.rt9.153.el8_0

RSA Authentication Manager: version 8.4 P7.
The version 8.4 P7 is fixed:
  https://community.rsa.com/community/products/securid

SUSE LE 11 SP4: new kernel packages.
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.101.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.121.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.120.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.103.1

SUSE LE 12 SP4: new kernel-azure packages.
New packages are available:
  SUSE LE 12 SP4: kernel-azure 4.12.14-6.23.1

SUSE LE 12 SP4: new kernel packages.
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.29.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.3.1

SUSE LE 15 RTM: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.32.1

SUSE LE 15 SP1: new kernel-azure packages.
New packages are available:
  SUSE LE 15 SP1: kernel-azure 4.12.14-5.38.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.15.1

SUSE LE 15 SP1: new kernel-source-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-source-rt 4.12.14-14.8.1

Ubuntu 16.04: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.150.158
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.150.132

Ubuntu 16/18: new linux-image-aws packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-aws 4.15.0.1047.47
  Ubuntu 18.04 LTS: linux-image-aws 4.15.0.1047.46

Ubuntu 19.04: new linux-image-5.0.0 packages.
New packages are available:
  Ubuntu 19.04: linux-image-generic 5.0.0.16.17

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.62.82
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.62.64

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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