CVE-2020-11668 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer DereferenceCWE-20 — Improper Input Validation18 documents8 sources
Severity
7.1HIGHNVD
OSV7.8OSV7.5OSV6.7OSV4.7
EPSS
0.0%
top 85.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxMsrc CBL Mariner 1.0 ARM+2 more
Timeline
PublishedApr 9
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages7 packages

▶NVDlinux/linux_kernel< 5.6.1
▶Debianlinux/linux_kernel< 5.5.17-1+3
▶Ubuntulinux/linux_kernel< 4.4.0-179.209+1
▶debiandebian/linux< linux 5.5.17-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

7
GHSA
GHSA-h6c2-xxv4-2462: In the Linux kernel before 5↗2022-05-24
▶
OSV
linux, linux-raspi2, linux-raspi2-5.3 regression↗2020-05-28
▶
OSV
linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2 vulnerabilities↗2020-05-24
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities↗2020-05-19
▶
OSV
linux-gke-5.0, linux-oem-osp1 vulnerabilities↗2020-05-19
▶

📋Vendor Advisories

8
Ubuntu
Linux kernel regression↗2020-05-28
▶
Ubuntu
Linux kernel vulnerabilities↗2020-05-24
▶
Ubuntu
Linux kernel vulnerabilities↗2020-05-19
▶
Ubuntu
Linux kernel vulnerabilities↗2020-05-19
▶
Ubuntu
Linux kernel vulnerabilities↗2020-04-28
▶

💬Community

2
Bugzilla
CVE-2020-11668 kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c↗2020-04-16
▶
Bugzilla
CVE-2020-11668 kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c [fedora-all]↗2020-04-16
▶