7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.019 Low
EPSS
Percentile
88.7%
Issue Overview:
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. (CVE-2019-9893)
Affected Packages:
libseccomp
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libseccomp to update your system.
New Packages:
aarch64:
libseccomp-2.4.1-1.amzn2.aarch64
libseccomp-devel-2.4.1-1.amzn2.aarch64
libseccomp-static-2.4.1-1.amzn2.aarch64
libseccomp-debuginfo-2.4.1-1.amzn2.aarch64
i686:
libseccomp-2.4.1-1.amzn2.i686
libseccomp-devel-2.4.1-1.amzn2.i686
libseccomp-static-2.4.1-1.amzn2.i686
libseccomp-debuginfo-2.4.1-1.amzn2.i686
src:
libseccomp-2.4.1-1.amzn2.src
x86_64:
libseccomp-2.4.1-1.amzn2.x86_64
libseccomp-devel-2.4.1-1.amzn2.x86_64
libseccomp-static-2.4.1-1.amzn2.x86_64
libseccomp-debuginfo-2.4.1-1.amzn2.x86_64
Red Hat: CVE-2019-9893
Mitre: CVE-2019-9893
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | libseccomp | < 2.4.1-1.amzn2 | libseccomp-2.4.1-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libseccomp-devel | < 2.4.1-1.amzn2 | libseccomp-devel-2.4.1-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libseccomp-static | < 2.4.1-1.amzn2 | libseccomp-static-2.4.1-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libseccomp-debuginfo | < 2.4.1-1.amzn2 | libseccomp-debuginfo-2.4.1-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | libseccomp | < 2.4.1-1.amzn2 | libseccomp-2.4.1-1.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | libseccomp-devel | < 2.4.1-1.amzn2 | libseccomp-devel-2.4.1-1.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | libseccomp-static | < 2.4.1-1.amzn2 | libseccomp-static-2.4.1-1.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | libseccomp-debuginfo | < 2.4.1-1.amzn2 | libseccomp-debuginfo-2.4.1-1.amzn2.i686.rpm |
Amazon Linux | 2 | x86_64 | libseccomp | < 2.4.1-1.amzn2 | libseccomp-2.4.1-1.amzn2.x86_64.rpm |
Amazon Linux | 2 | x86_64 | libseccomp-devel | < 2.4.1-1.amzn2 | libseccomp-devel-2.4.1-1.amzn2.x86_64.rpm |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.019 Low
EPSS
Percentile
88.7%