CVE-2019-19396 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5