libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons…
Priority MEDIUM 48Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.03041 87th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 3 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libseccomp_project:libseccomp:*:*:*:*:*:*:*:* | before 2.4.0 | Vulnerable | Libseccomp Project |
- cpe:2.3:a:libseccomp_project:libseccomp:*:*:*:*:*:*:*:* Versions before 2.4.0 Vulnerable ·Libseccomp Project
Remediation
Red Hat 1 advisory
- RHSA-2019:3624 Released 2019-11-05 · Red Hat rating Moderatelibseccomp security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) libseccomp-devel-2.4.1-1.el8
- Red Hat Enterprise Linux AppStream (v. 8) libseccomp-devel-2.4.1-1.el8
- Red Hat Enterprise Linux BaseOS (v. 8) libseccomp-2.4.1-1.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2019:3624 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:3624 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2019:3624 |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9893
- 2026-10-03 Alias added: GHSA-8qf7-26p9-j472
References
Sources
- CVE-2019-9893 · CVE Program
- CVE-2019-9893 · NVD
- FIRST EPSS
- GHSA-8qf7-26p9-j472 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-9893 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences