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Vulnerability of Linux kernel: information disclosure via drivers/media/usb/ttusb-dec/ttusb_dec.c

Synthesis of the vulnerability

A local attacker can read a memory fragment via drivers/media/usb/ttusb-dec/ttusb_dec.c of the Linux kernel, in order to obtain sensitive information.
Severity of this threat: 1/4.
Creation date: 04/12/2019.
Références of this weakness: CERTFR-2019-AVI-639, CERTFR-2019-AVI-655, CERTFR-2020-AVI-029, CVE-2019-19533, DLA-2068-1, SUSE-SU-2019:3316-1, SUSE-SU-2019:3379-1, SUSE-SU-2019:3381-1, SUSE-SU-2019:3389-1, SUSE-SU-2020:0093-1, VIGILANCE-VUL-31052.

Description of the vulnerability

A local attacker can read a memory fragment via drivers/media/usb/ttusb-dec/ttusb_dec.c of the Linux kernel, in order to obtain sensitive information.
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This computer threat impacts software or systems such as Debian, Linux, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability 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 cybersecurity weakness.

Solutions for this threat

Linux kernel: version 5.3.4.
The version 5.3.4 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.2.19.
The version 5.2.19 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.77.
The version 4.19.77 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.147.
The version 4.14.147 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.195.
The version 4.9.195 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.195.
The version 4.4.195 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.79.
The version 3.16.79 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: patch for drivers/media/usb/ttusb-dec/ttusb_dec.c.
A patch is indicated in information sources.

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.81-1

SUSE LE 12 SP3: new kernel packages (23/12/2019).
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.113.1

SUSE LE 12 SP4: new kernel-azure packages (18/12/2019).
New packages are available:
  SUSE LE 12 SP4: kernel-azure 4.12.14-6.34.1

SUSE LE 12 SP5: new kernel-azure packages.
New packages are available:
  SUSE LE 12 SP5: kernel-azure 4.12.14-16.7.1

SUSE LE 12 SP5: new kernel packages (30/12/2019).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.12.1

SUSE LE 15 RTM: new kernel packages (23/12/2019).
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.47.1
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