The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which…
Priority LOW 21Published · 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
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd.
Why it matters now
EPSS 0.00382 32nd 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
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Red Hat |
- cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
Remediation
Red Hat 1 advisory
- RHSA-2003:238 Released 2003-07-21 · Red Hat rating Important: : : Updated 2.4 kernel fixes vulnerabilities
- Red Hat Linux 7.1
- Red Hat Linux 7.2
- Red Hat Linux 7.3
- Red Hat Linux 8.0
- Red Hat Linux 9
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Linux 7.1 | Fixed | RHSA-2003:238 |
| Red Hat Linux 7.2 | Fixed | RHSA-2003:238 |
| Red Hat Linux 7.3 | Fixed | RHSA-2003:238 |
| Red Hat Linux 8.0 | Fixed | RHSA-2003:238 |
| Red Hat Linux 9 | Fixed | RHSA-2003:238 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0464
- 2026-10-03 Alias added: GHSA-qrv9-7f6p-fwph
References
Patch 1
Other 1
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- TI-1999-00363 Buffer overflows in wuarchive ftpd (wu-ftpd) and ProFTPD lead to remote root access… CVSS 2.0HIGH 10.0
- TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
Sources
- CVE-2003-0464 · CVE Program
- CVE-2003-0464 · NVD
- FIRST EPSS
- GHSA-qrv9-7f6p-fwph · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0464 · 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