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CVE-2019-18813

25
FAUCET Score

CVE-2019-18813 is a memory leak vulnerability in the Linux kernel (through version 5.3.9) affecting the dwc3_pci_probe() function, which can lead to a denial of service due to memory consumption. This high-severity vulnerability (CVSS 7.5) can be exploited remotely with low attack complexity, requiring no user interaction or privileges. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for denial of service warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.19, < 4.19.84CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.3.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
19.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
19.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.89%
Probability of exploitation in next 30 days
EPSS Percentile
89.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0389 is in the 81st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-18813Moderate

kernel: memory leak in dwc3_pci_probe() function in drivers/usb/dwc3/dwc3-pci.c

Oct 27, 2019

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Mailing ListPatchVendor Advisory
security.netapp.com / advisory/ntap-20191205-0001
Third Party Advisory
usn.ubuntu.com / 4225-1
Third Party Advisory
usn.ubuntu.com / 4225-2
Third Party Advisory
usn.ubuntu.com / 4226-1
Third Party Advisory