What is CVE-2019-19532?

CVE-2019-19532 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2019-12-03.

How severe is CVE-2019-19532?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2019-19532 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux Kernel

CVE-2019-19532

In the Linux kernel before 5.3.9, there are multiple out-of-bounds write bugs that can be caused by a malicious USB device in the Linux kernel HID drivers, aka CID-d9d4b1e46d95. This affects drivers/hid/hid-axff.c, drivers/hid/hid-dr.c, drivers/hid/hid-emsff.c, drivers/hid/hid-gaff.c, drivers/hid/hid-holtekff.c, drivers/hid/hid-lg2ff.c, drivers/hid/hid-lg3ff.c, drivers/hid/hid-lg4ff.c, drivers/hid/hid-lgff.c, drivers/hid/hid-logitech-hidpp.c, drivers/hid/hid-microsoft.c, drivers/hid/hid-sony.c, drivers/hid/hid-tmff.c, and drivers/hid/hid-zpff.c.

Vulnerability class: Buffer Overflow

Published 2019-12-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.8th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Linux Kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9 (Vendor Advisory)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
www.openwall.com/lists/oss-security/2019/12/03/4 (mailing-list, Mailing List, Third Party Advisory)
usn.ubuntu.com/4226-1/ (vendor-advisory)
lists.debian.org/debian-lts-announce/2020/01/msg00013.html (mailing-list)
lists.debian.org/debian-lts-announce/2020/03/msg00001.html (mailing-list)
lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html (vendor-advisory)

Frequently asked questions

What is CVE-2019-19532?: CVE-2019-19532 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2019-12-03.
How severe is CVE-2019-19532?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2019-19532 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.