CVE-2019-19527

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-12-03 · updated 2026-06-17
Weakness: CWE-416

Description

In the Linux kernel before 5.2.10, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver, aka CID-9c09b214f30e.

Affected products

Debian Linux: 8.0
Linux kernel: from 2.6.30 before 3.16.79; from 3.17 before 4.4.190; from 4.5 before 4.9.190; from 4.10 before 4.14.140; from 4.15 before 4.19.68; from 4.20 before 5.2.10 — fixed in 3.16.79, 4.14.140, 4.19.68, 4.4.190, 4.9.190, 5.2.10
openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: Linux kernel 3.16.79, 4.14.140, 4.19.68, 4.4.190. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
http://www.openwall.com/lists/oss-security/2019/12/03/4
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d4472d7bec39917b54e4e80245784ea5d60ce49
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9c09b214f30e3c11f9b0b03f89442df03643794d
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
http://www.openwall.com/lists/oss-security/2019/12/03/4
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d4472d7bec39917b54e4e80245784ea5d60ce49
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9c09b214f30e3c11f9b0b03f89442df03643794d

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