Vulnerability Monitor

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CVE-2010-3873

The X.25 implementation in the Linux kernel before 2.6.36.2 does not properly parse facilities, which allows remote attackers to cause a denial of service (heap memory corruption and panic) or possibly have unspecified other impact via malformed (1) X25_FAC_CALLING_AE or (2) X25_FAC_CALLED_AE data, related to net/x25/x25_facilities.c and net/x25/x25_in.c, a different vulnerability than CVE-2010-4164.

Security Impact Summary

CVE-2010-3873 is a security vulnerability that . Impacting 4 products from linux, from opensuse, from suse and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, 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

2011-01-03T20:00:41.920

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.36.2	Yes
Operating System	opensuse	opensuse	11.4	Yes
Operating System	suse	linux_enterprise_server	9	Yes
Operating System	debian	debian_linux	5.0	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6331d6f9a4298173b413cf99a40cc86a9d92c37 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2010/11/03/2 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2010/11/04/3 Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/43291 Third Party Advisory ([email protected])
http://www.debian.org/security/2010/dsa-2126 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Broken Link ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 Third Party Advisory ([email protected])
http://www.spinics.net/lists/netdev/msg145786.html Mailing List, Patch, Third Party Advisory ([email protected])
http://www.spinics.net/lists/netdev/msg145873.html Mailing List, Patch, Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0375 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=649693 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6331d6f9a4298173b413cf99a40cc86a9d92c37 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/11/03/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/11/04/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/43291 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2010/dsa-2126 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.spinics.net/lists/netdev/msg145786.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.spinics.net/lists/netdev/msg145873.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0375 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=649693 Issue Tracking, Patch, 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.