fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test.
Why it matters now
EPSS 0.00518 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories
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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 2.6.23 | Vulnerable | Linux |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* | 7.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:* | 8.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Debian |
| cpe:2.3:o:novell:linux_desktop:9:*:*:*:*:*:*:* | 9 | Vulnerable | Novell |
| cpe:2.3:o:opensuse:opensuse:10.3:*:*:*:*:*:*:* | 10.3 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp2:*:*:*:*:*:* | 10 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp1:*:*:*:*:*:* | 10 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp2:*:*:*:*:*:* | 10 sp2 | Vulnerable | SUSE |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.23 Vulnerable ·Linux
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* Versions 7.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:* Versions 8.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Debian
- cpe:2.3:o:novell:linux_desktop:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Novell
- cpe:2.3:o:opensuse:opensuse:10.3:*:*:*:*:*:*:* Versions 10.3 Vulnerable ·openSUSE
- cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp1:*:*:*:*:*:* Versions 10 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
Remediation
Red Hat 2 advisories
- RHSA-2008:0972 Released 2008-11-19 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-78.0.8.EL, kernel-2.6.9-78.0.8.EL.ia64, kernel-2.6.9-78.0.8.EL.ppc64iseries +14
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-78.0.8.EL, kernel-devel-2.6.9-78.0.8.EL, kernel-doc-2.6.9-78.0.8.EL +8
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-78.0.8.EL, kernel-2.6.9-78.0.8.EL.ia64, kernel-devel-2.6.9-78.0.8.EL +12
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-78.0.8.EL, kernel-2.6.9-78.0.8.EL.ia64, kernel-devel-2.6.9-78.0.8.EL +12
- RHSA-2008:0885 Released 2008-09-24 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-92.1.13.el5, kernel-2.6.18-92.1.13.el5.ia64, kernel-PAE-2.6.18-92.1.13.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-92.1.13.el5, kernel-PAE-2.6.18-92.1.13.el5, kernel-PAE-devel-2.6.18-92.1.13.el5 +8
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0885 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0972 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0885 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0972 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0972 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0972 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-6716
- 2026-10-03 Alias added: GHSA-553j-q6pg-m594
References
Patch 2
Advisory 11
Sources
- CVE-2007-6716 · CVE Program
- CVE-2007-6716 · NVD
- FIRST EPSS
- GHSA-553j-q6pg-m594 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-6716 · Red Hat security data · CC BY 4.0
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