MEDIUM
kernel: dio: zero struct dio with kzalloc instead of manually
Published Sep 4, 2008
5.5
MEDIUMCVSS 3.1
EPSS 0.52%
Description
fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test.
Affected products
No data.
Configuration 1
- < 2.6.23
Configuration 2
OR
- 6.06
- 7.10
- 8.04
Configuration 3
- 4.0
Configuration 4
OR
- 9
- 10.3
- 10
- 10
- 10
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-78.0.8.EL
Fixed · RHSA-2008:0972
Red Hat Enterprise Linux 5
kernel-0:2.6.18-92.1.13.el5
Fixed · RHSA-2008:0885
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-78.0.8.EL | Fixed | RHSA-2008:0972 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-92.1.13.el5 | Fixed | RHSA-2008:0885 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
4.9 MEDIUM NVD
AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.52% 0.00518
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00518
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 | 0.52% (0.00518) | 41.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.52% (0.00518) | 39.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00042) | 9.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.69th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.04% (0.00044) | 13.01th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.04% (0.00044) | 10.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (28)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=848c4dd5153c7a0de55470ce99a8e13a63b4703f x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00007.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00000.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lkml.org/lkml/2007/7/30/448 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2008-0972.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/32023 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32103 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32237 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32356 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32370 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32393 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32759 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32799 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.debian.org/security/2008/dsa-1653 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23 x_refsource_CONFIRMBroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:220 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.openwall.com/lists/oss-security/2008/09/04/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2008-0885.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/bid/31515 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/usn-659-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2007-6716 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=461082 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-6716
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10053 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2007-6716
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 4, 2008
Updated Aug 7, 2024
Reserved Sep 4, 2008
Link CVE-2007-6716
CISA Vulnrichment
Updated n/a