10

CVE-2019-15504: canonical ubuntu_linux Double Free

Modified
AliasesUBUNTU-CVE-2019-15504DEBIAN-CVE-2019-15504
Published 23-08-2019Last modified 05-08-2024

Vulnerability summary

CVE-2019-15504 is a high (CVSS 10.0) Double Free vulnerability in canonical ubuntu_linux. EPSS estimates a 4.31% chance of exploitation in the next 30 days, higher than 91.1% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
4.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3

Timeline

  1. 23-08-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

drivers/net/wireless/rsi/rsi_91x_usb.c in the Linux kernel through 5.2.9 has a Double Free via crafted USB device traffic (which may be remote via usbip or usbredir).

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

4.31%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.31% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu9 products
  • linuxAll versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-azureAll versions (No fix recorded) | < 5.0.0-1023.24~18.04.1
  • linux-gcp< 5.0.0-1021.21~18.04.1
  • linux-gke-5.0< 5.0.0-1023.23~18.04.2
Canonical1 product
Debian1 product
  • linux< 5.2.17-1
Linux1 product

4 vendors · 12 products

References

15 links
Show all 15 references