What’s Vulnerable › Vulnerabilities

CVE-2019-19396

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-29 · updated 2026-06-17
• Weakness: CWE-20

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

• Omniosce Omnios: before r151030 — fixed in r151030

How to fix

Upgrade to a fixed version: Omniosce Omnios r151030. Check the vendor advisory for mitigations.

References

• https://omniosce.org/article/030y-028ay-022dw.html
• https://www.illumos.org/issues/11556
• https://omniosce.org/article/030y-028ay-022dw.html
• https://www.illumos.org/issues/11556

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