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threat bulletin CVE-2019-15098

Linux kernel: NULL pointer dereference via ath6kl_usb_alloc_urb_from_pipe

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via ath6kl_usb_alloc_urb_from_pipe() of the Linux kernel, in order to trigger a denial of service.
Severity of this announce: 1/4.
Creation date: 19/08/2019.
Références of this computer vulnerability: CERTFR-2019-AVI-455, CERTFR-2019-AVI-502, CERTFR-2019-AVI-503, CERTFR-2019-AVI-530, CVE-2019-15098, openSUSE-SU-2019:2173-1, openSUSE-SU-2019:2181-1, SSA:2019-311-01, 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, VIGILANCE-VUL-30079.
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Description of the vulnerability

An attacker can force a NULL pointer to be dereferenced via ath6kl_usb_alloc_urb_from_pipe() of the Linux kernel, in order to trigger a denial of service.
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This computer threat bulletin impacts software or systems such as Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES.

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

Solutions for this threat

Linux kernel: version 5.3.9.
The version 5.3.9 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.82.
The version 4.19.82 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.152.
The version 4.14.152 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.199.
The version 4.9.199 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.199.
The version 4.4.199 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: patch for ath6kl_usb_alloc_urb_from_pipe.
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

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