PT-2019-3104 · Linux+5 · Linux Kernel+5

Syzbot · Published 2019-07-12 · Updated 2023-11-09 · CVE-2019-15221

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.1.17

Description The issue is related to a NULL pointer dereference in the sound/usb/line6/pcm.c driver, which can be caused by a malicious USB device. This can lead to a denial of service.

Recommendations For Linux kernel versions prior to 5.1.17, update to version 5.1.17 or later to resolve the issue. As a temporary workaround, consider disabling the use of USB devices that may trigger the NULL pointer dereference in the sound/usb/line6/pcm.c driver until a patch is applied.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2019-2247

ALT-PU-2019-2314

ALT-PU-2019-2339

ALT-PU-2019-2746

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2019-03087

CESA-2020_1016

CESA-2020_1567

CESA-2020_1769

CVE-2019-15221

DLA-1919-1

DLA-1919-2

DLA-1930-1

OPENSUSE-SU-2019:2173-1

OPENSUSE-SU-2019:2181-1

OPENSUSE-SU-2019_2173-1

OPENSUSE-SU-2019_2181-1

RHSA-2020:1016

RHSA-2020:1070

RHSA-2020:1567

RHSA-2020:1769

RHSA-2020_1016

RHSA-2020_1070

RHSA-2020_1567

RHSA-2020_1769

SUSE-SU-2019:2412-1

SUSE-SU-2019:2414-1

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-2019:2756-1

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

USN-4286-1

USN-4286-2

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 732

• 🔥 https://syzkaller.appspot.com/bug?id=240f09164db2c3d3af33a117c713dc7650dc29d6 · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2019:2181-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-11085 · Vendor Advisory
• https://usn.ubuntu.com/4115-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4115-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-3900 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-10126 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-15214 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2173-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4147-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-11884 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-13099 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4118-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2414-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-14609 · Vendor Advisory