kernel: appletalk: denial of service when handling IP tunnelled over DDP datagrams
Published Sep 15, 2009
7.1
HIGHCVSS 2.0
EPSS 3.85%
Description
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.
Affected products
No data.
Configuration 1
- ≥ 2.4.0 · ≤ 2.4.37.6
- ≥ 2.6.0 · ≤ 2.6.31
Configuration 2
- 10
- 10
- 10
- 10
- 9
- 10
- 10
- 10
- 10
Configuration 3
- 6.06
- 8.04
- 8.10
- 9.04
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat is aware of this issue. Please see https://access.redhat.com/articles/19069 This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5, as the affected driver is not enabled in these kernels. The affected driver is available in Red Hat Enterprise MRG. It is also available in Red Hat Enterprise Linux 3, but only if the kernel-unsupported package is installed. Future kernel updates in Red Hat Enterprise Linux 3 and Red Hat Enterprise MRG will address this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.85% (0.03848) | 89.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.85% (0.03848) | 88.73th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.77% (0.03773) | 86.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.02% (0.02017) | 72.93th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.77% (0.03773) | 87.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.77% (0.02767) | 90.96th | v3 (v2023.03.01) |
| Jun 5, 2024 | 2.77% (0.02767) | 90.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.87% (0.03869) | 90.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Feb 13, 2023 | 3.41% (0.03407) | 84.23th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
References (18)
- http://git.kernel.org/?p=linux/kernel/git/davem/net-next-2.6.git%3Ba=commit%3Bh=ffcfb8db540ff879c2a85bf7e404954281443414 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/36707 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/37105 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/37909 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:329 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2009/09/14/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2009/09/14/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2009/09/17/11 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/36379 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-852-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2009-2903 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=522331 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2009-2903
- https://www.cve.org/CVERecord?id=CVE-2009-2903
Change history (0)
No recorded changes yet.