Denial-of-Service in Gvisor
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
A denial of service exists in Gvisor Sandbox where a bug in reference counting code in mount point tracking could lead to a panic, making it possible for an attacker running as root and with permission to mount volumes to kill the sandbox. We recommend upgrading past commit 6a112c60a257dadac59962e0bc9e9b5aee70b5b6
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-7258
- 2026-10-03 Alias added: GHSA-2h39-83vm-vq42
More Google Gvisor vulnerabilities
- TI-2018-13698 pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to… CVSS 3.0CRITICAL 9.8
- TI-2018-11721 Google gVisor before 2018-08-23, within the seccomp sandbox, permits access to the… CVSS 3.0MEDIUM 6.8
- TI-2025-02373 Improper File Permission Handling in Google gVisor runsc CVSS 4.0MEDIUM 6.8
- TI-2024-09825 Weaknesses in the generation of TCP/UDP source ports and some other header values in… CVSS 4.0MEDIUM 6.3
- TI-2024-09306 Improved Seeding and Hashing In gVisor CVSS 4.0MEDIUM 6.3
- TI-2018-14290 Google gVisor before 2018-08-22 reuses a pagetable in a different level with the… CVSS 3.0MEDIUM 5.5
Sources
- CVE-2023-7258 · CVE Program
- CVE-2023-7258 · NVD
- FIRST EPSS
- GHSA-2h39-83vm-vq42 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-7258 · 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