VFAT compat ioctls DoS on 64-bit
Published May 29, 2007
4.9
MEDIUMCVSS 2.0
EPSS 0.88%
Description
The VFAT compat ioctls in the Linux kernel before 2.6.21.2, when run on a 64-bit system, allow local users to corrupt a kernel_dirent struct and cause a denial of service (system crash) via unknown vectors.
Affected products
No data.
- 2.6.21.1
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-55.0.12.EL
Fixed · RHSA-2007:0939
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.10.el5
Fixed · RHSA-2007:0705
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-55.0.12.EL | Fixed | RHSA-2007:0939 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.10.el5 | Fixed | RHSA-2007:0705 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.
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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.88% (0.00881) | 57.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.88% (0.00881) | 54.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.21% (0.00209) | 41.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00123) | 48.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
No CWE recorded.
References (24)
- http://osvdb.org/35926 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25505 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26133 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26139 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26760 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27436 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27747 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28626 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm x_refsource_CONFIRM
- http://www.debian.org/security/2008/dsa-1479 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.2 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2007-0705.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2007-0939.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/24134 vdb-entryx_refsource_BIDExploitPatch
- http://www.ubuntu.com/usn/usn-486-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/usn-489-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/usn-510-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/2023 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-2878 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=247726 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34669 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-2878
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11674 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-2878
Change history (0)
No recorded changes yet.