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CVE-2019-19047

19
FAUCET Score

CVE-2019-19047 describes a memory leak in the Linux kernel, specifically within the Mellanox mlx5 network driver, affecting versions prior to 5.3.11. This flaw allows a local attacker to trigger a denial of service by causing excessive memory consumption. Rated as Medium severity (CVSS 5.5), exploitation requires local access and has low complexity, leading to high availability impact without affecting confidentiality or integrity. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage are minimal, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 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:*:*:*
19.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 93rd percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-193.rt13.51.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-193.el8
View patch

Vendor Advisories (1)

redhatCVE-2019-19047Low

kernel: dos in mlx5_fw_fatal_reporter_dump() function in drivers/net/ethernet/mellanox/mlx5/core/health.c

Nov 18, 2019

References

cdn.kernel.org / pub/linux/kernel/v5.x/ChangeLog-5.3.11
Release NotesVendor Advisory
github.com / torvalds/linux/commit/c7ed6d0183d5ea9bc31bcaeeba4070bd62546471
PatchThird Party Advisory
security.netapp.com / advisory/ntap-20191205-0001
Third Party Advisory
usn.ubuntu.com / 4225-1
Third Party Advisory