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CVE-2019-9893

Publication date 21 March 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.

Status

Package Ubuntu Release Status
libseccomp 19.04 disco
Fixed 2.4.1-0ubuntu0.19.04.3
18.10 cosmic
Fixed 2.4.1-0ubuntu0.18.10.3
18.04 LTS bionic
Fixed 2.4.1-0ubuntu0.18.04.2
16.04 LTS xenial
Fixed 2.4.1-0ubuntu0.16.04.2
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references