PT-2019-4477 · Linux+4 · Linux Kernel+4

Syzbot · Published 2019-08-06 · Updated 2023-08-04 · CVE-2019-19527

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.2.10

Description The issue is related to a use-after-free bug in the Linux kernel, specifically in the drivers/hid/usbhid/hiddev.c driver. This bug can be triggered by a malicious USB device, potentially allowing an attacker to cause a denial of service.

Recommendations For Linux kernel versions prior to 5.2.10, update to version 5.2.10 or later to resolve the issue. As a temporary workaround, consider restricting the use of USB devices to minimize the risk of exploitation.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2019-2537

ALT-PU-2019-2545

ALT-PU-2019-2655

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:2020-00295

CESA-2020_1372

CESA-2020_1378

CESA-2020_3220

CVE-2019-19527

DLA-2068-1

DLA-2114-1

OPENSUSE-SU-2020:0336-1

OPENSUSE-SU-2020_0336-1

RHSA-2020:1372

RHSA-2020:1378

RHSA-2020:3220

RHSA-2020:3221

RHSA-2020:4236

RHSA-2020_1372

RHSA-2020_1378

RHSA-2020_3220

RHSA-2020_3221

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

SUSE-SU-2020:0511-1

SUSE-SU-2020:0560-1

SUSE-SU-2020:0584-1

SUSE-SU-2020:0599-1

SUSE-SU-2020:0613-1

SUSE-SU-2020:1255-1

SUSE-SU-2020:14354-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

References · 768

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9c09b214f30e3c11f9b0b03f89442df03643794d · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0511-1 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d4472d7bec39917b54e4e80245784ea5d60ce49 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19527 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:1255-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0599-1 · Vendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:0336-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19527 · Security Note
• https://osv.dev/vulnerability/DLA-2114-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:14354-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2068-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0560-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19527 · Security Note