What is CVE-2020-11609?

CVE-2020-11609 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 4.3/10. Published 2020-04-07.

How severe is CVE-2020-11609?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2020-11609 known to be exploited?

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

NULL pointer dereference in Linux Kernel

CVE-2020-11609

An issue was discovered in the stv06xx subsystem in the Linux kernel before 5.6.1. drivers/media/usb/gspca/stv06xx/stv06xx.c and drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c mishandle invalid descriptors, as demonstrated by a NULL pointer dereference, aka CID-485b06aadb93.

Published 2020-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 16.04, 18.04

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1 (Release Notes, Vendor Advisory)
github.com/torvalds/linux/commit/485b06aadb933190f4bc44e006076bc27a23f205 (Patch, Third Party Advisory)
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
security.netapp.com/advisory/ntap-20200430-0004/ (Third Party Advisory)
usn.ubuntu.com/4345-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4364-1/ (vendor-advisory)
usn.ubuntu.com/4368-1/ (vendor-advisory)
usn.ubuntu.com/4369-1/ (vendor-advisory)
lists.debian.org/debian-lts-announce/2020/06/msg00011.html (mailing-list)
lists.debian.org/debian-lts-announce/2020/06/msg00012.html (mailing-list)

Frequently asked questions

What is CVE-2020-11609?: CVE-2020-11609 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 4.3/10. Published 2020-04-07.
How severe is CVE-2020-11609?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-11609 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.