IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material
Published Mar 22, 2018
9.1
CRITICALCVSS 3.0
EPSS 2.41%
Description
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material. IBM X-Force ID: 139071.
Affected products
-
- Version 10.1StatusaffectedConstraints-
- Version 10.5StatusaffectedConstraints-
- Version 11.1StatusaffectedConstraints-
- Version 9.7StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IBM | DB2 for Linux, UNIX and Windows | n/a |
|
Configuration 1
No data.
No Red Hat product state for this CVE.
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
1 other source (CVE.org) ▾
CVSS:3.0/A:N/AC:H/AV:N/C:H/I:H/PR:N/S:U/UI:N
AV:N/AC:L/Au:N/C:P/I:P/A:N
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.41% (0.02413) | 83.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.51% (0.02510) | 82.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.89% (0.00892) | 73.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.22% (0.00217) | 60.66th | v3 (v2023.03.01) |
| Jan 5, 2024 | 0.22% (0.00217) | 59.63th | v3 (v2023.03.01) |
| Sep 22, 2023 | 0.31% (0.00306) | 66.24th | v3 (v2023.03.01) |
| Aug 13, 2023 | 0.29% (0.00285) | 64.62th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.27% (0.00265) | 62.97th | v3 (v2023.03.01) |
| Apr 20, 2023 | 0.46% (0.00462) | 71.70th | v3 (v2023.03.01) |
| Mar 16, 2023 | 0.47% (0.00470) | 71.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00524) | 73.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 48.70% (0.48702) | 98.95th | v1 |
| Sep 1, 2021 | 48.70% (0.48702) | 99.57th | v1 |
| Apr 14, 2021 | 48.70% (0.48702) | 0.00th | v1 |
References (4)
- http://www.ibm.com/support/docview.wss?uid=swg22013756 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/105580 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041012 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/139071 x_refsource_MISCVDB EntryVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.ibm.com/support/docview.wss?uid=swg22013756 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/105580 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041012 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/139071 | x_refsource_MISCVDB EntryVendor Advisory |
Change history (0)
No recorded changes yet.