4.9

CVE-2019-15220: canonical ubuntu_linux Use After Free

CVSS: 4.9v2.0MediumModified
AliasesUBUNTU-CVE-2019-15220DEBIAN-CVE-2019-15220
Published 19-08-2019Last modified 05-08-2024

Vulnerability summary

CVE-2019-15220 is a medium (CVSS 4.9) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% 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
0.76%
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 20 · Related 18

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 5.2.1. There is a use-after-free caused by a malicious USB device in the drivers/net/wireless/intersil/p54/p54usb.c driver.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.76% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.76%

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

Ubuntu26 products
  • linuxAll versions (No fix recorded) | < 4.4.0-174.204 | < 4.15.0-60.67
  • linux-aws< 4.4.0-1062.66 | < 4.4.0-1102.113 | < 4.15.0-1047.49
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1047.49~16.04.1
  • linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1022.23~18.04.1
Netapp5 products
Debian2 products
Canonical1 product
Linux1 product
Opensuse1 product

6 vendors · 36 products

References

23 links
Show all 23 references