TI-2008-03531 Aliases CVE-2008-3687 GHSA-x34x-jj7g-95j8

Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled…

LOW 35CWE-119Published 2008-08-14 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Code execution
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.

Why it matters now

EPSS 0.02938 87th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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 · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:xen:xen:3.3:::::::*	3.3	Vulnerable	Xen
cpe:2.3:a:xen:xen_flask_module::::::::	all versions	Vulnerable	Xen

cpe:2.3:a:xen:xen:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Xen
cpe:2.3:a:xen:xen_flask_module:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Xen

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2008-3687
2026-10-03 Alias added: GHSA-x34x-jj7g-95j8

References

Patch 1

[xen-dev] 20080718 [PATCH][XSM][FLASK] Argument handling bugs in XSM:FLASK

Other 4

TI-2012-00210 The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix… CVSS 2.0HIGH 7.2
TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
TI-2015-04333 The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used… CVSS 2.0HIGH 9.3
TI-2015-06741 The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows… CVSS 3.1CRITICAL 10.0
TI-2018-06436 A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures… CVSS 3.0HIGH 7.8
TI-2024-20522 x86: Incorrect logic for BTC/SRSO mitigations CVSS 3.1HIGH 7.5

See all 489 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences