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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libseccomp | 2.4.1-1 | — |
| Debian 13 | libseccomp | 2.4.1-1 | — |
| Debian 12 | libseccomp | 2.4.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libseccomp | 2.4.1-0ubuntu0.18.04.2 | USN-4001-1 |
| Ubuntu 16.04 LTS | libseccomp | 2.4.1-0ubuntu0.16.04.2 | USN-4001-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libseccomp | 2.4.1-0ubuntu0.14.04.2 | USN-4001-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | libseccomp +1 | 2.4.1-1.el8 | RHSA-2019:3624 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | libseccomp | 2.4.1-3.3.1 | SUSE-SU-2019:2517-1 |
| SLES 15 | libseccomp | 2.4.1-3.3.1 | SUSE-SU-2019:2517-1 |
| SLES 12 SP5 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SLES 12 SP4 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SLES 12 SP3 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SLES for SAP 12 SP5 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SLES for SAP 12 SP4 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SLES for SAP 12 SP3 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SLES for SAP 12 SP2 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SUSE OpenStack Cloud Crowbar 8 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SUSE OpenStack Cloud 8 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SUSE OpenStack Cloud 7 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SUSE HPE Helion OpenStack 8 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
| SUSE Enterprise Storage 5 | libseccomp | 2.4.1-11.3.2 | SUSE-SU-2019:2941-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libseccomp | 2.5.2-2.1 | openSUSE-SU-2024:10989-1 |
| openSUSE Leap 15.1 | libseccomp | 2.4.1-lp151.3.3.1 | openSUSE-SU-2019:2283-1 |
| openSUSE Leap 15.0 | libseccomp | 2.4.1-lp150.2.3.1 | openSUSE-SU-2019:2280-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.23 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.22 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.21 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.20 | libseccomp | 2.4.0-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.18 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.17 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.16 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.15 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.14 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.13 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.12 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.11 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.10 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.9 | libseccomp | 2.4.0-r0 | — |
| Alpine v3.8 | libseccomp | 2.4.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libseccomp +2 | 2.4.1-1.amzn2 | ALAS2-2019-1360 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libseccomp +1 | 2.4.1-1.el8 | ELSA-2019-3624 |
Advisories 13
- RHSA-2019:3624 Red Hat Security Advisory: libseccomp security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-4001-2 libseccomp vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-4001-1 libseccomp vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2024:10989-1 libseccomp-devel-2.5.2-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2941-1 Security update for libseccomp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2283-1 Security update for libseccomp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2280-1 Security update for libseccomp SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2517-1 Security update for libseccomp SUSE / openSUSE Security Updates · Feb 4, 2026
- NCSC-2025-0382 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Dec 9, 2025
- SSA-202008 SSA-202008: Multiple Vulnerabilities in Ruggedcom Rox Before V2.17.0 Siemens ProductCERT · Dec 9, 2025
- ICSA-24-284-16 Rockwell Automation DataMosaix Private Cloud CISA ICS & IT advisories · Oct 10, 2024
- ALAS2-2019-1360 Moderate: libseccomp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 14, 2019
- ELSA-2019-3624 Moderate: libseccomp security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 14, 2019
References
- https://github.com/seccomp/libseccomp/issues/139
- https://seclists.org/oss-sec/2019/q1/179
- GLSA-201904-18 vendor-advisory
- USN-4001-1 vendor-advisory
- USN-4001-2 vendor-advisory
- openSUSE-SU-2019:2283 vendor-advisory
- openSUSE-SU-2019:2280 vendor-advisory
- RHSA-2019:3624 vendor-advisory