libseccomp: incorrect generation of syscall filters in libseccomp
Published Mar 21, 2019
9.8
CRITICALCVSS 3.0
EPSS 3.04%
Description
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.
Affected products
No data.
- < 2.4.0
No data.
Red Hat Enterprise Linux 8
libseccomp-0:2.4.1-1.el8
Fixed · RHSA-2019:3624
Red Hat Enterprise Linux 8
libseccomp-0:2.4.1-1.el8
Fixed · RHSA-2019:3624
Red Hat Enterprise Linux 7
libseccomp
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | libseccomp-0:2.4.1-1.el8 | Fixed | RHSA-2019:3624 |
| Red Hat Enterprise Linux 8 | libseccomp-0:2.4.1-1.el8 | Fixed | RHSA-2019:3624 |
| Red Hat Enterprise Linux 7 | libseccomp | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.04% (0.03041) | 87.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.04% (0.03041) | 85.76th | v5 (v2026.06.15) |
| Dec 21, 2025 | 0.81% (0.00810) | 73.63th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.92% (0.01918) | 88.75th | v3 (v2023.03.01) |
| Mar 14, 2024 | 1.92% (0.01918) | 88.28th | v3 (v2023.03.01) |
| Jul 14, 2023 | 1.34% (0.01338) | 84.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.36% (0.01357) | 84.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 20.15% (0.20148) | 94.00th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.85% (0.07855) | 85.01th | v1 |
| Jan 6, 2022 | 7.85% (0.07855) | 84.84th | v1 |
| Sep 1, 2021 | 1.86% (0.01865) | 76.13th | v1 |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00022.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00027.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/errata/RHSA-2019:3624 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2019-9893 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1690897 Issue Tracking
- https://github.com/seccomp/libseccomp/issues/139 x_refsource_MISCPatch
- https://nvd.nist.gov/vuln/detail/CVE-2019-9893
- https://seclists.org/oss-sec/2019/q1/179 x_refsource_MISCMailing ListPatchThird Party Advisory
- https://security.gentoo.org/glsa/201904-18 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/4001-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4001-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2019-9893
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00022.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00027.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/errata/RHSA-2019:3624 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2019-9893 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1690897 | Issue Tracking | |
| https://github.com/seccomp/libseccomp/issues/139 | x_refsource_MISCPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-9893 | ||
| https://seclists.org/oss-sec/2019/q1/179 | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| https://security.gentoo.org/glsa/201904-18 | vendor-advisoryx_refsource_GENTOO | |
| https://usn.ubuntu.com/4001-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/4001-2/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2019-9893 |
Change history (0)
No recorded changes yet.