kernel: local DoS via futex_lock_pi
Published Feb 15, 2010
4.9
MEDIUMCVSS 2.0
EPSS 0.40%
Description
The futex_lock_pi function in kernel/futex.c in the Linux kernel before 2.6.33-rc7 does not properly manage a certain reference count, which allows local users to cause a denial of service (OOPS) via vectors involving an unmount of an ext3 filesystem.
Affected products
No data.
Configuration 1
- < 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
Configuration 3
- 6.06
- 8.04
- 8.10
- 9.04
- 9.10
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This security issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 3, 4, 5, and Red Hat Enterprise MRG, as they do not include the upstream change that introduced this flaw.
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 4, 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 (9 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.40% (0.00400) | 31.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00400) | 31.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.56th | 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 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
No CWE recorded.
References (13)
- http://bugzilla.kernel.org/show_bug.cgi?id=14256 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5ecb01cfdf96c5f465192bdb2a4fd4a61a24c6cc x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/38922 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.33-rc7 x_refsource_CONFIRMBroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:088 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/02/11/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-914-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vupen.com/english/advisories/2010/0638 vdb-entryx_refsource_VUPENThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-0623 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=566023 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-0623
- https://www.cve.org/CVERecord?id=CVE-2010-0623
Change history (0)
No recorded changes yet.