kernel: io_submit_one() NULL ptr deref
Published Dec 6, 2010
4.9
MEDIUMCVSS 2.0
EPSS 0.35%
Description
The io_submit_one function in fs/aio.c in the Linux kernel before 2.6.23 allows local users to cause a denial of service (NULL pointer dereference) via a crafted io_submit system call with an IOCB_FLAG_RESFD flag.
Affected products
No data.
- ≤ 2.6.22.19
- 2.6
- 2.6.0
- 2.6.1
- 2.6.2
- 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
- 2.6.16.32
- 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
- 2.6.17.1
- 2.6.17.2
- 2.6.17.3
- 2.6.17.4
- 2.6.17.5
- 2.6.17.6
- 2.6.17.7
- 2.6.17.8
- 2.6.17.9
- 2.6.17.10
- 2.6.17.11
- 2.6.17.12
- 2.6.17.13
- 2.6.17.14
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18.1
- 2.6.18.2
- 2.6.18.3
- 2.6.18.4
- 2.6.18.5
- 2.6.18.6
- 2.6.18.7
- 2.6.18.8
- 2.6.19
- 2.6.19.1
- 2.6.19.2
- 2.6.19.3
- 2.6.19.4
- 2.6.19.5
- 2.6.19.6
- 2.6.19.7
- 2.6.20
- 2.6.20.1
- 2.6.20.2
- 2.6.20.3
- 2.6.20.4
- 2.6.20.5
- 2.6.20.6
- 2.6.20.7
- 2.6.20.8
- 2.6.20.9
- 2.6.20.10
- 2.6.20.11
- 2.6.20.12
- 2.6.20.13
- 2.6.20.14
- 2.6.20.15
- 2.6.20.16
- 2.6.20.17
- 2.6.20.18
- 2.6.20.19
- 2.6.20.20
- 2.6.20.21
- 2.6.21
- 2.6.21.1
- 2.6.21.2
- 2.6.21.3
- 2.6.21.4
- 2.6.21.5
- 2.6.21.6
- 2.6.21.7
- 2.6.22
- 2.6.22.1
- 2.6.22.2
- 2.6.22.3
- 2.6.22.4
- 2.6.22.5
- 2.6.22.6
- 2.6.22.7
- 2.6.22.8
- 2.6.22.9
- 2.6.22.10
- 2.6.22.11
- 2.6.22.12
- 2.6.22.13
- 2.6.22.14
- 2.6.22.15
- 2.6.22.16
- 2.6.22.17
- 2.6.22.18
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-194.26.1.el5
Fixed · RHSA-2010:0839
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-194.26.1.el5 | Fixed | RHSA-2010:0839 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3 and 4 as they did not include support for eventfd in the Async I/O (AIO) implementation. It did not affect the version of Linux kernel as shipped with Red Hat Enterprise MRG as it has already had the fix to this issue. This issue was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0839.html
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:L/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 | 0.35% (0.00346) | 25.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.35% (0.00346) | 26.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00066) | 17.76th | 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 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.10% (0.01104) | 53.53th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=87e2831c3fa39cbf6f7ab676bb5aef039b9659e2 x_refsource_CONFIRM
- http://secunia.com/advisories/46397 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1024708 vdb-entryx_refsource_SECTRACK
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2010-0839.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2010-3066 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=631716 x_refsource_CONFIRMPatchIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-3066
- https://www.cve.org/CVERecord?id=CVE-2010-3066
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=87e2831c3fa39cbf6f7ab676bb5aef039b9659e2 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/46397 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1024708 | vdb-entryx_refsource_SECTRACK | |
| http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23 | x_refsource_CONFIRM | |
| http://www.redhat.com/support/errata/RHSA-2010-0839.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/archive/1/520102/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.vmware.com/security/advisories/VMSA-2011-0012.html | x_refsource_CONFIRM | |
| https://access.redhat.com/security/cve/CVE-2010-3066 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=631716 | x_refsource_CONFIRMPatchIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-3066 | ||
| https://www.cve.org/CVERecord?id=CVE-2010-3066 |
Change history (0)
No recorded changes yet.