Vulnerability Monitor

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CVE-2010-0623

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.

Security Impact Summary

CVE-2010-0623 is a security vulnerability that . Impacting 3 products from linux, from opensuse, from canonical organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2010, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2010-02-15T18:30:00.830

Last Modified

2026-06-16T23:16:31.400

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

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

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	linux	linux_kernel	2.6.33	Yes
Operating System	opensuse	opensuse	11.2	Yes
Operating System	canonical	ubuntu_linux	6.06	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes
Operating System	canonical	ubuntu_linux	8.10	Yes
Operating System	canonical	ubuntu_linux	9.04	Yes
Operating System	canonical	ubuntu_linux	9.10	Yes

References

http://bugzilla.kernel.org/show_bug.cgi?id=14256 Issue Tracking, Patch, Vendor Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5ecb01cfdf96c5f465192bdb2a4fd4a61a24c6cc ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/38922 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.33-rc7 Broken Link ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2010:088 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2010/02/11/2 Mailing List, Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-914-1 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2010/0638 Third Party Advisory ([email protected])
http://bugzilla.kernel.org/show_bug.cgi?id=14256 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5ecb01cfdf96c5f465192bdb2a4fd4a61a24c6cc (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/38922 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.33-rc7 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2010:088 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/02/11/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-914-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2010/0638 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.