CVE-2019-15221 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer DereferenceCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer19 documents7 sources
Severity
4.6MEDIUMNVD
OSV7.4OSV5.5OSV3.3
EPSS
0.1%
top 64.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxCanonical Ubuntu Linux+2 more
Timeline
PublishedAug 19
Latest updateMay 24

Description

An issue was discovered in the Linux kernel before 5.1.17. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/pcm.c driver.

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 0.9 | Impact: 3.6

Affected Packages5 packages

▶NVDlinux/linux_kernel< 5.1.17
▶Debianlinux/linux_kernel< 5.2.6-1+3
▶Ubuntulinux/linux_kernel< 4.4.0-174.204+2
▶debiandebian/linux< linux 5.2.6-1 (bookworm)
▶NVDopensuse/leap15.0, 15.1+1

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04, 19.04

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

8
GHSA
GHSA-85g3-5q55-59pj: An issue was discovered in the Linux kernel before 5↗2022-05-24
▶
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2020-02-18
▶
OSV
linux-lts-xenial, linux-aws vulnerabilities↗2020-02-18
▶
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2019-10-04
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2 regression↗2019-09-11
▶

📋Vendor Advisories

8
Ubuntu
Linux kernel vulnerabilities↗2020-02-18
▶
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities↗2020-02-18
▶
Ubuntu
Linux kernel vulnerabilities↗2019-10-04
▶
Ubuntu
Linux kernel regression↗2019-09-11
▶
Ubuntu
Linux kernel (AWS) vulnerabilities↗2019-09-02
▶

💬Community

2
Bugzilla
CVE-2019-15221 kernel: Null pointer dereference in the sound/usb/line6/pcm.c↗2019-09-07
▶
Bugzilla
CVE-2019-15221 kernel: Null pointer dereference in the sound/usb/line6/pcm.c [fedora-all]↗2019-09-07
▶