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computer threat bulletin CVE-2019-15117

Linux kernel: buffer overflow via parse_audio_mixer_unit

Synthesis of the vulnerability

An attacker can trigger a buffer overflow via parse_audio_mixer_unit() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Severity of this computer vulnerability: 2/4.
Creation date: 19/08/2019.
Références of this announce: CERTFR-2019-AVI-418, CERTFR-2019-AVI-455, CERTFR-2019-AVI-466, CERTFR-2019-AVI-482, CERTFR-2019-AVI-502, CERTFR-2019-AVI-503, CERTFR-2019-AVI-527, CERTFR-2019-AVI-530, CVE-2019-15117, DLA-1930-1, DLA-1940-1, DSA-4531-1, openSUSE-SU-2019:2173-1, openSUSE-SU-2019:2181-1, SSA:2019-311-01, SUSE-SU-2019:2263-1, SUSE-SU-2019:2299-1, SUSE-SU-2019:2412-1, SUSE-SU-2019:2424-1, SUSE-SU-2019:2648-1, SUSE-SU-2019:2651-1, SUSE-SU-2019:2658-1, SUSE-SU-2019:2738-1, USN-4147-1, USN-4162-1, USN-4162-2, USN-4163-1, USN-4163-2, VIGILANCE-VUL-30082.
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Description of the vulnerability

An attacker can trigger a buffer overflow via parse_audio_mixer_unit() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This security threat impacts software or systems such as Debian, Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer weakness note is medium.

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

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

Solutions for this threat

Linux kernel: version 5.2.10.
The version 5.2.10 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.68.
The version 4.19.68 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.142.
The version 4.14.142 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.191.
The version 4.9.191 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.191.
The version 4.4.191 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.74.
The version 3.16.74 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.16.74.tar.xz

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

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.189-3+deb9u1~deb8u1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.74-1

Debian 9, 10: new linux packages.
New packages are available:
  Debian 9: linux 4.9.189-3+deb9u1
  Debian 10: linux 4.19.67-2+deb10u1

openSUSE Leap 15: new kernel packages.
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.73.1
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.16.1

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: kernel 4.4.199-*-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 4.12.14-6.26.1

SUSE LE 12 SP4: new kernel-default packages.
New packages are available:
  SUSE LE 12 SP4: kernel-default 4.12.14-95.32.1

SUSE LE 15: new kernel-azure packages.
New packages are available:
  SUSE LE 15 RTM: kernel-azure 4.12.14-5.41.1
  SUSE LE 15 SP1: kernel-azure 4.12.14-8.16.1

SUSE LE 15 SP1: new kernel-default packages.
New packages are available:
  SUSE LE 15 SP1: kernel-default 4.12.14-197.18.1

SUSE LE 15 SP1: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-rt 4.12.14-14.11.1

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 14.04 ESM: linux-image-azure 4.15.0.1061.47
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.66.86
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.66.68

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.166.174
  Ubuntu 14.04 ESM: linux-image-aws 4.4.0.1056.57

Ubuntu: new linux-image-5.0.0 packages.
New packages are available:
  Ubuntu 19.04: linux-image-generic 5.0.0.31.32
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.0.0.31.88
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