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CVE-2019-16089

18
FAUCET Score

CVE-2019-16089 is a medium-severity vulnerability affecting the Linux kernel through version 5.2.13, specifically within the nbd_genl_status function in drivers/block/nbd.c, due to a missing return value check. This local vulnerability has high attack complexity and requires high privileges, potentially leading to a denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.2.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.1MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 84th percentile among its peer group of 418 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 Patches (3)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2019-16089Low

kernel: Improper return check in nbd_genl_status function in drivers/block/nbd.c

Sep 6, 2019

References

lore.kernel.org / patchwork/patch/1106884
Mailing ListPatchVendor Advisory
lore.kernel.org / patchwork/patch/1126650
PatchVendor Advisory
security.netapp.com / advisory/ntap-20191004-0001
Third Party Advisory
support.f5.com / csp/article/K03814795
usn.ubuntu.com / 4414-1
usn.ubuntu.com / 4425-1
usn.ubuntu.com / 4439-1
usn.ubuntu.com / 4440-1