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cybersecurity note CVE-2019-15220

Linux kernel: use after free via drivers/net/wireless/intersil/p54/p54usb.c

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via drivers/net/wireless/intersil/p54/p54usb.c of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Severity of this bulletin: 2/4.
Creation date: 21/08/2019.
Références of this threat: CERTFR-2019-AVI-419, CERTFR-2019-AVI-441, CERTFR-2019-AVI-455, CERTFR-2019-AVI-482, CERTFR-2019-AVI-502, CERTFR-2019-AVI-503, CERTFR-2019-AVI-530, CERTFR-2019-AVI-561, CERTFR-2019-AVI-575, CVE-2019-15220, DLA-1919-1, DLA-1919-2, DLA-1930-1, openSUSE-SU-2019:2173-1, openSUSE-SU-2019:2181-1, 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, SUSE-SU-2019:2949-1, SUSE-SU-2019:2950-1, SUSE-SU-2019:2984-1, USN-4115-1, USN-4115-2, USN-4118-1, USN-4147-1, VIGILANCE-VUL-30111.
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Description of the vulnerability

An attacker can force the usage of a freed memory area via drivers/net/wireless/intersil/p54/p54usb.c of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This computer weakness announce impacts software or systems such as Debian, Android OS, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security alert 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 vulnerability.

Solutions for this threat

Linux kernel: version 5.2.1.
The version 5.2.1 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.1.18.
The version 5.1.18 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.59.
The version 4.19.59 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 drivers/net/wireless/intersil/p54/p54usb.c.
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~deb8u1

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

Google Android/Pixel: patch for December 2019.
A patch is indicated in information sources.

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

SUSE LE 12 SP1: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.124.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.125.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.107.1

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 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: 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

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

Wind River Linux: version 10.18.44.11.
The version 10.18.44.11 is fixed:
  https://support2.windriver.com/
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