MEDIUM
samba: infinite loop flaw in smbd on unexpected oplock break notification reply
Published Oct 7, 2009
4.0
MEDIUMCVSS 2.0
EPSS 4.21%
Description
smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote authenticated users to cause a denial of service (infinite loop) via an unanticipated oplock break notification reply packet.
Affected products
No data.
Configuration 1
Configuration 2
OR
- 6.06
- 8.04
- 8.10
- 9.04
No data.
Red Hat Enterprise Linux 3
samba-0:3.0.9-1.3E.16
Fixed · RHSA-2009:1528
Red Hat Enterprise Linux 4
samba-0:3.0.33-0.18.el4_8
Fixed · RHSA-2009:1529
Red Hat Enterprise Linux 5
samba-0:3.0.33-3.15.el5_4
Fixed · RHSA-2009:1529
Supplementary for Red Hat Enterprise Linux 5
samba3x-0:3.3.8-0.46.el5
Fixed · RHSA-2009:1585
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | samba-0:3.0.9-1.3E.16 | Fixed | RHSA-2009:1528 |
| Red Hat Enterprise Linux 4 | samba-0:3.0.33-0.18.el4_8 | Fixed | RHSA-2009:1529 |
| Red Hat Enterprise Linux 5 | samba-0:3.0.33-3.15.el5_4 | Fixed | RHSA-2009:1529 |
| Supplementary for Red Hat Enterprise Linux 5 | samba3x-0:3.3.8-0.46.el5 | Fixed | RHSA-2009:1585 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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.
4.0 MEDIUM NVD
AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.21% 0.04207
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04207
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.21% (0.04207) | 90.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.21% (0.04207) | 89.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.56% (0.00558) | 66.23th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00455) | 76.06th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.46% (0.00455) | 74.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.46% (0.00460) | 71.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.53% (0.02528) | 81.92th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.53% (0.02528) | 81.42th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.55% (0.01547) | 74.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.53% (0.02528) | 80.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.53% (0.02528) | 58.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (31)
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://news.samba.org/releases/3.0.37/ x_refsource_CONFIRMVendor Advisory
- http://news.samba.org/releases/3.2.15/ x_refsource_CONFIRMVendor Advisory
- http://news.samba.org/releases/3.3.8/ x_refsource_CONFIRMVendor Advisory
- http://news.samba.org/releases/3.4.2/ x_refsource_CONFIRMVendor Advisory
- http://osvdb.org/58519 vdb-entryx_refsource_OSVDBBroken Link
- http://samba.org/samba/security/CVE-2009-2906.html x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/36893 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36918 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36937 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36953 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/37428 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561439 vendor-advisoryx_refsource_SLACKWAREPatchThird Party Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021111.1-1 vendor-advisoryx_refsource_SUNALERTBroken Link
- http://support.apple.com/kb/HT4077 x_refsource_CONFIRMThird Party Advisory
- http://wiki.rpath.com/Advisories:rPSA-2009-0145 x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/archive/1/507856/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/36573 vdb-entryx_refsource_BIDPatchThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1022976 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-839-1 vendor-advisoryx_refsource_UBUNTUPatchThird Party Advisory
- http://www.vupen.com/english/advisories/2009/2810 vdb-entryx_refsource_VUPENPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2009-2906 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=526645 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53575 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2009-2906
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7090 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9944 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2009-2906
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00095.html vendor-advisoryx_refsource_FEDORAPatchThird Party Advisory
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00098.html vendor-advisoryx_refsource_FEDORAPatchThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Oct 7, 2009
Updated Aug 7, 2024
Reserved Aug 20, 2009
Link CVE-2009-2906
CISA Vulnrichment
Updated n/a