4.9

CVE-2019-15223: canonical ubuntu_linux NULL Pointer Dereference

CVSS: 4.9v2.0MediumModified
AliasesUBUNTU-CVE-2019-15223
Published 19-08-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-15223 is a medium (CVSS 4.9) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
RHSA-2020:1567RHSA-2020:1769USN-4147-1

Timeline

  1. 19-08-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/driver.c driver.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (syzkaller.appspot.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Ubuntu6 products
  • linuxAll versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-azureAll versions (No fix recorded) | < 5.0.0-1022.23~18.04.1
  • linux-gke-5.0< 5.0.0-1020.20~18.04.1
  • linux-hwe< 5.0.0-31.33~18.04.1
Netapp5 products
Canonical1 product
Linux1 product

4 vendors · 13 products

References

9 links