What is CVE-2020-11608?

CVE-2020-11608 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-2020-11608?

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

Is CVE-2020-11608 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-2020-11608

An issue was discovered in the Linux kernel before 5.6.1. drivers/media/usb/gspca/ov519.c allows NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints, aka CID-998912346c0d.

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: 0.005 (42.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% 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
Canonical Ubuntu Linux — versions 16.04, 18.04

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

github.com/torvalds/linux/commit/998912346c0da53a6dbb71fab3a138586b596b30 (Patch, Third Party Advisory)
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1 (Patch, Mailing List, 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-2020-11608?: CVE-2020-11608 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-2020-11608?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-11608 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.