Memory leak in the appletalk subsystem in the Linux kernel 2.4.x through 2.4.37.6 and…
Priority LOW 38CWE-772Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-772.
Summary
Memory leak in the appletalk subsystem in the Linux kernel 2.4.x through 2.4.37.6 and 2.6.x through 2.6.31, when the appletalk and ipddp modules are loaded but the ipddp"N" device is not found, allows remote attackers to cause a denial of service (memory consumption) via IP-DDP datagrams.
Why it matters now
EPSS 0.03848 90th 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:*:*:*:*:*:*:*:* | 2.4.0 – 2.4.37.6; 2.6.0 – 2.6.31 | Vulnerable | Linux |
| cpe:2.3:a:suse:linux_enterprise_debuginfo:10:sp2:*:*:*:*:*:* | 10 sp2 | Vulnerable | SUSE |
| cpe:2.3:a:suse:linux_enterprise_debuginfo:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:* | 10 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:* | 9 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:* | 10 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp2:*:*:*:*:*:* | 10 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.4.0 – 2.4.37.6; 2.6.0 – 2.6.31 Vulnerable ·Linux
- cpe:2.3:a:suse:linux_enterprise_debuginfo:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
- cpe:2.3:a:suse:linux_enterprise_debuginfo:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | 6.06 | Vulnerable | Canonical |
| 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:6.06:*:*:*:*:*:*:* Versions 6.06 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
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2903
- 2026-10-03 Alias added: GHSA-q9qh-2r93-gfjh
- 2026-10-18 EPSS moved to the 90th–95th percentile
References
Advisory 10
- [oss-security] 20090917 Re: CVE-2009-2903 kernel: appletalk: denial of service when handling IP tunnelled over DDP datagrams
- SUSE-SA:2009:061
- USN-852-1
- https://bugzilla.redhat.com/show_bug.cgi?id=522331
- MDVSA-2009:329
- [oss-security] 20090914 CVE-2009-2903 kernel: appletalk: denial of service when handling IP tunnelled over DDP datagrams
- SUSE-SA:2010:012
- SUSE-SA:2009:064
- SUSE-SA:2010:013
- [oss-security] 20090914 Re: CVE-2009-2903 kernel: appletalk: denial of service when handling IP tunnelled over DDP datagrams
Sources
- CVE-2009-2903 · CVE Program
- CVE-2009-2903 · NVD
- FIRST EPSS
- GHSA-q9qh-2r93-gfjh · GitHub Advisory Database · CC BY 4.0
- CVE-2009-2903 · Red Hat security data · CC BY 4.0
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