The futex_lock_pi function in kernel/futex.c in the Linux kernel before 2.6.33-rc7 does…
Priority LOW 23Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The futex_lock_pi function in kernel/futex.c in the Linux kernel before 2.6.33-rc7 does not properly manage a certain reference count, which allows local users to cause a denial of service (OOPS) via vectors involving an unmount of an ext3 filesystem.
Why it matters now
EPSS 0.004 34th 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 · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 2.6.33 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:-:*:*:*:*:*:* | 2.6.33 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:rc1:*:*:*:*:*:* | 2.6.33 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:rc2:*:*:*:*:*:* | 2.6.33 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:rc3:*:*:*:*:*:* | 2.6.33 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:rc4:*:*:*:*:*:* | 2.6.33 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:rc5:*:*:*:*:*:* | 2.6.33 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.33:rc6:*:*:*:*:*:* | 2.6.33 rc6 | Vulnerable | Linux |
| cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:* | 11.2 | Vulnerable | openSUSE |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | 6.06 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.33 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:-:*:*:*:*:*:* Versions 2.6.33 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:rc1:*:*:*:*:*:* Versions 2.6.33 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:rc2:*:*:*:*:*:* Versions 2.6.33 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:rc3:*:*:*:*:*:* Versions 2.6.33 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:rc4:*:*:*:*:*:* Versions 2.6.33 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:rc5:*:*:*:*:*:* Versions 2.6.33 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.33:rc6:*:*:*:*:*:* Versions 2.6.33 rc6 Vulnerable ·Linux
- cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:* Versions 11.2 Vulnerable ·openSUSE
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* | 8.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* | 8.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* | 9.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* | 9.10 | Vulnerable | Canonical |
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* Versions 8.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* Versions 9.10 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2010-0623
- 2026-10-03 Alias added: GHSA-h4hr-vrvh-q8pp
References
Advisory 5
Sources
- CVE-2010-0623 · CVE Program
- CVE-2010-0623 · NVD
- FIRST EPSS
- GHSA-h4hr-vrvh-q8pp · GitHub Advisory Database · CC BY 4.0
- CVE-2010-0623 · 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