What’s Vulnerable › Vulnerabilities

CVE-2020-11668

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-09 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• Linux kernel: before 5.6.1 — fixed in 5.6.1

How to fix

Upgrade to a fixed version: Linux kernel 5.6.1. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
• https://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
• https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
• https://security.netapp.com/advisory/ntap-20200430-0004/
• https://usn.ubuntu.com/4345-1/
• https://usn.ubuntu.com/4364-1/
• https://usn.ubuntu.com/4368-1/
• https://usn.ubuntu.com/4369-1/
• https://www.debian.org/security/2020/dsa-4698

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