No exploitation reportedFix available

CVE-2019-15926

Q: Is CVE-2019-15926 actively exploited?

Active exploitation of CVE-2019-15926 has not been confirmed. Its EPSS score was 5.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-15926?

CVE-2019-15926 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

No exploitation reported by the sources we read.

Published2019-09-04
Fixed in5.2.3 · 5.1.20 · 4.19.61 · 4.14.135 · 4.9.187 · 4.4.187
WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in the Linux kernel before 5.2.3. Out of bounds access exists in the functions ath6kl_wmi_pstream_timeout_event_rx and ath6kl_wmi_cac_event_rx in the file drivers/net/wireless/ath/ath6kl/wmi.c.

Timeline

dates in UTC

2019-09-0421:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-15926?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-15926?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Linux linux kernel

Branch	Affected	Fixed in	Source
5.2	≥ 5.2.0, < 5.2.3	5.2.3	NVD
5.1	≥ 4.20, < 5.1.20	5.1.20	NVD
4.x	≥ 4.15, < 4.19.61	4.19.61	NVD
4.x	≥ 4.10, < 4.14.135	4.14.135	NVD
4.x	≥ 4.5, < 4.9.187	4.9.187	NVD
4.4	≥ 3.17, < 4.4.187	4.4.187	NVD
3.x	≥ 3.2, < 3.16.74	3.16.74	NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
16.4	= 16.04	no fix published	NVD
18.4	= 18.04	no fix published	NVD
19.10	= 19.10	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Linux linux kernel to 5.2.3 · 5.1.20 · 4.19.61 · 4.14.135 · 4.9.187 · 4.4.187 · 3.16.74

Advisories and patches

cdn.kernel.orgVendor Advisory
git.kernel.orgPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.1read 2026-10-23
NVDCVSS 2.09.4read 2026-10-23
NVDweakness (CWE)CWE-125read 2026-10-23
FIRST EPSSEPSS score5.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published: 2019-09-04
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-15926?

Is CVE-2019-15926 actively exploited?

Active exploitation of CVE-2019-15926 has not been confirmed. Its EPSS score was 5.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-15926?

CVE-2019-15926 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

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