kernel: 32bit process on 64bit system can trigger a kernel panic
Published Mar 19, 2010
4.7
MEDIUMCVSS 2.0
EPSS 0.32%
Description
The Linux kernel 2.6.9 through 2.6.17 on the x86_64 and amd64 platforms allows local users to cause a denial of service (panic) via a 32-bit application that calls mprotect on its Virtual Dynamic Shared Object (VDSO) page and then triggers a segmentation fault.
Affected products
No data.
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.10
- 2.6.11
- 2.6.11.1
- 2.6.11.2
- 2.6.11.3
- 2.6.11.4
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.9
- 2.6.11.10
- 2.6.11.11
- 2.6.11.12
- 2.6.12
- 2.6.12.1
- 2.6.12.2
- 2.6.12.3
- 2.6.12.4
- 2.6.12.5
- 2.6.12.6
- 2.6.13
- 2.6.13.1
- 2.6.13.2
- 2.6.13.3
- 2.6.13.4
- 2.6.13.5
- 2.6.14
- 2.6.14.1
- 2.6.14.2
- 2.6.14.3
- 2.6.14.4
- 2.6.14.5
- 2.6.14.6
- 2.6.14.7
- 2.6.15
- 2.6.15.1
- 2.6.15.2
- 2.6.15.3
- 2.6.15.4
- 2.6.15.5
- 2.6.15.6
- 2.6.15.7
- 2.6.16
- 2.6.16.1
- 2.6.16.2
- 2.6.16.3
- 2.6.16.4
- 2.6.16.5
- 2.6.16.6
- 2.6.16.7
- 2.6.16.8
- 2.6.16.9
- 2.6.16.10
- 2.6.16.11
- 2.6.16.12
- 2.6.16.13
- 2.6.16.14
- 2.6.16.15
- 2.6.16.16
- 2.6.16.17
- 2.6.16.18
- 2.6.16.19
- 2.6.16.20
- 2.6.16.21
- 2.6.16.22
- 2.6.16.23
- 2.6.16.24
- 2.6.16.25
- 2.6.16.26
- 2.6.16.27
- 2.6.16.28
- 2.6.16.29
- 2.6.16.30
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.32
- 2.6.16.33
- 2.6.16.34
- 2.6.16.35
- 2.6.16.36
- 2.6.16.37
- 2.6.16.38
- 2.6.16.39
- 2.6.16.40
- 2.6.16.41
- 2.6.16.42
- 2.6.16.43
- 2.6.16.44
- 2.6.16.45
- 2.6.16.46
- 2.6.16.47
- 2.6.16.48
- 2.6.16.49
- 2.6.16.50
- 2.6.16.51
- 2.6.16.52
- 2.6.16.53
- 2.6.16.54
- 2.6.16.55
- 2.6.16.56
- 2.6.16.57
- 2.6.16.58
- 2.6.16.59
- 2.6.16.60
- 2.6.16.61
- 2.6.16.62
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-89.0.23.EL
Fixed · RHSA-2010:0146
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-89.0.23.EL | Fixed | RHSA-2010:0146 |
No package ranges for this CVE.
Remediation
Red Hat statement
This security issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 3, 5 and Red Hat Enterprise MRG.
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:L/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.32% (0.00322) | 22.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.32% (0.00322) | 23.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 13, 2023 | 0.95% (0.00950) | 31.86th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.03% (0.01034) | 40.96th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://www.openwall.com/lists/oss-security/2010/03/17/1 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2009-4271 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=548876 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-4271
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10248 vdb-entrysignaturex_refsource_OVAL
- https://rhn.redhat.com/errata/RHSA-2010-0146.html vendor-advisoryx_refsource_REDHAT
- https://www.cve.org/CVERecord?id=CVE-2009-4271
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2010/03/17/1 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2009-4271 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=548876 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-4271 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10248 | vdb-entrysignaturex_refsource_OVAL | |
| https://rhn.redhat.com/errata/RHSA-2010-0146.html | vendor-advisoryx_refsource_REDHAT | |
| https://www.cve.org/CVERecord?id=CVE-2009-4271 |
Change history (0)
No recorded changes yet.