CVE-2020-11668

HIGHNVD 7.17.1—

7.1

In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770.

CVSS v3: 7.1
EG Score: 7.1(medium)
EPSS: 14.8%
KEV: Not listed

Published

April 9, 2020

Last Modified

November 21, 2024

References (24)

cve@mitrehttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1
cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
cve@mitrehttps://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
cve@mitrehttps://security.netapp.com/advisory/ntap-20200430-0004/
cve@mitrehttps://usn.ubuntu.com/4345-1/
cve@mitrehttps://usn.ubuntu.com/4364-1/
cve@mitrehttps://usn.ubuntu.com/4368-1/
cve@mitrehttps://usn.ubuntu.com/4369-1/
cve@mitrehttps://www.debian.org/security/2020/dsa-4698
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8

Patch Availability(8)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-virtual (5.3.0.53.45) @ eoan	2026-05-27	ubuntu
ubuntu	linux-image-virtual-hwe-16.04-edge (4.15.0.99.106) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-virtual-lts-xenial (4.4.0.179.187) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-oem-osp1 (5.0.0.1052.55) @ bionic	2026-05-27	ubuntu
redhat	kernel-rt-0:3.10.0-1160.36.2.rt56.1179.el7	2021-07-21	redhat
redhat	kernel-0:3.10.0-1160.36.2.el7	2021-07-21	redhat
redhat	kernel-rt-0:4.18.0-240.rt7.54.el8	2020-11-04	redhat
redhat	kernel-0:4.18.0-240.el8	2020-11-04	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

All Vendor Advisories

(9)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 05:19 UTCEG score recompute
2026-05-27 05:19 UTCVendor advisory
2026-05-27 05:19 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-11668?

CVE-2020-11668 is a high vulnerability published on April 9, 2020. In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770.

When was CVE-2020-11668 disclosed?

CVE-2020-11668 was first published in the National Vulnerability Database on April 9, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-11668 actively exploited?

CVE-2020-11668 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-11668?

CVE-2020-11668 has a CVSS v3 base score of 7.1 (NVD).

How do I remediate CVE-2020-11668?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-11668, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-11668

Published

Last Modified

References (24)

Patch Availability(8)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-11668?

Same vendor

Same CWE

CVE-2020-11668

📅 Published

🔄 Last Modified

🔗 References (24)

Patch Availability(8)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-11668?

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References (24)

Frequently asked(5)

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