CVE-2019-19396 — illumos, as used in OmniOS Community Edition before r151030y, allows a kernel crash via an application with multiple threads calling sendmsg concurrently over a single socket, because uts/common/inet/ip/ip_attr.c mishandles conn_ixa dereferences

Back Back to CVE browser

HIGH

illumos, as used in OmniOS Community Edition before r151030y, allows a kernel crash via an application with multiple threads calling sendmsg concurrently over a single socket, because uts/common/inet/ip/ip_attr.c mishandles conn_ixa dereferences

Published Nov 29, 2019

7.5

HIGH

CVSS 3.1

EPSS 1.12%

Description

illumos, as used in OmniOS Community Edition before r151030y, allows a kernel crash via an application with multiple threads calling sendmsg concurrently over a single socket, because uts/common/inet/ip/ip_attr.c mishandles conn_ixa dereferences.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.12% 0.01124

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01124

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.12% (0.01124)	65.07th	v5 (v2026.06.15)
Sep 20, 2026	1.12% (0.01124)	64.79th	v5 (v2026.06.15)
Jul 20, 2024	0.12% (0.00116)	45.95th	v3 (v2023.03.01)
Jul 10, 2024	0.12% (0.00116)	45.90th	v3 (v2023.03.01)
Mar 7, 2023	0.12% (0.00116)	43.82th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	4.50% (0.04499)	74.08th	v2 (v2022.01.01)
Feb 3, 2022	2.74% (0.02742)	63.06th	v1
Jan 6, 2022	2.74% (0.02742)	62.72th	v1
Jan 5, 2022	0.62% (0.00624)	46.35th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

https://omniosce.org/article/030y-028ay-022dw.html
x_refsource_MISCVendor Advisory
https://www.illumos.org/issues/11556
x_refsource_MISCThird Party Advisory

Link	Providers	Tags
https://omniosce.org/article/030y-028ay-022dw.html		x_refsource_MISCVendor Advisory
https://www.illumos.org/issues/11556		x_refsource_MISCThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 29, 2019

Updated Aug 5, 2024

Reserved Nov 29, 2019

Link CVE-2019-19396

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2019-19396

Red Hat

Severity n/a

Public date n/a

Links CVE-2019-19396