qemu-dm.debug in Xen 3.2.1 allows local users to overwrite arbitrary files via a symlink…
Priority LOW 30CWE-59Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
qemu-dm.debug in Xen 3.2.1 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/args temporary file.
Why it matters now
EPSS 0.00319 25th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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
Remediation
Red Hat 1 advisory
- RHSA-2009:0003 Released 2009-01-07 · Red Hat rating Moderatexen security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) xen-3.0.3-64.el5_2.9, xen-libs-3.0.3-64.el5_2.9, xen-libs-3.0.3-64.el5_2.9.i386 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) xen-3.0.3-64.el5_2.9, xen-libs-3.0.3-64.el5_2.9, xen-libs-3.0.3-64.el5_2.9.i386
- Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) xen-3.0.3-64.el5_2.9, xen-3.0.3-64.el5_2.9.i386, xen-devel-3.0.3-64.el5_2.9 +1
- Red Hat Enterprise Linux Virtualization (v. 5 server) xen-3.0.3-64.el5_2.9, xen-3.0.3-64.el5_2.9.i386, xen-3.0.3-64.el5_2.9.ia64 +3
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2009:0003 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:0003 |
| Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) | Fixed | RHSA-2009:0003 |
| Red Hat Enterprise Linux Virtualization (v. 5 server) | Fixed | RHSA-2009:0003 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4993
- 2026-10-03 Alias added: GHSA-g8xp-fgj9-qvj4
References
Advisory 2
Other 6
- [oss-security] 20081030 CVE requests: tempfile issues for aview, mgetty, openoffice, crossfire
- http://bugs.debian.org/496367
- https://bugs.gentoo.org/show_bug.cgi?id=235770
- https://bugs.gentoo.org/show_bug.cgi?id=235805
- oval:org.mitre.oval:def:9576
- http://dev.gentoo.org/~rbu/security/debiantemp/xen-utils-3.2-1
More Xen vulnerabilities
- 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
Sources
- CVE-2008-4993 · CVE Program
- CVE-2008-4993 · NVD
- FIRST EPSS
- GHSA-g8xp-fgj9-qvj4 · GitHub Advisory Database · CC BY 4.0
- CVE-2008-4993 · Red Hat security data · CC BY 4.0
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