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CVE-2019-15099

25
FAUCET Score

CVE-2019-15099 is a NULL pointer dereference vulnerability in the ath10k USB driver (drivers/net/wireless/ath/ath10k/usb.c) of the Linux kernel, affecting versions up to 5.2.8, including Canonical and Ubuntu Linux distributions. This flaw, triggered by an incomplete address in an endpoint descriptor, carries a CVSS v3.1 score of 7.5 (HIGH), indicating a network-exploitable vulnerability with low attack complexity that can lead to a complete denial of service. While no public exploit code or active exploitation has been observed, and it's not listed in CISA's KEV catalog, it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.14, < 4.14.157CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.87CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.3.14CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.4.0, < 5.4.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

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
3.77%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0377 is in the 80th 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

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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-115.19.1.el7a
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
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2019-15099Low

kernel: a NULL pointer dereference in drivers/net/wireless/ath/ath10k/usb.c leads to a crash

Aug 20, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-09/msg00066.html
Mailing ListThird Party Advisory
lore.kernel.org / linux-wireless/20190804003101.11541-1-benquike%40gmail.com/T
security.netapp.com / advisory/ntap-20190905-0002
Third Party Advisory
support.f5.com / csp/article/K76295179
Third Party Advisory
support.f5.com / csp/article/K76295179
usn.ubuntu.com / 4258-1
Third Party Advisory
usn.ubuntu.com / 4284-1
Third Party Advisory
usn.ubuntu.com / 4287-1
Third Party Advisory
usn.ubuntu.com / 4287-2
Third Party Advisory