Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2010-2946

fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an "os2." substring at the beginning of a name.

Security Impact Summary

CVE-2010-2946 is a security vulnerability that . Impacting 2 products from linux, 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

2010-09-29T17:00:04.307

Last Modified

2026-06-16T23:21:48.637

Status

Modified

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.35.2	Yes
Operating System	canonical	ubuntu_linux	6.06	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes
Operating System	canonical	ubuntu_linux	9.04	Yes
Operating System	canonical	ubuntu_linux	9.10	Yes
Operating System	canonical	ubuntu_linux	10.04	Yes
Operating System	canonical	ubuntu_linux	10.10	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/41321 Third Party Advisory ([email protected])
http://secunia.com/advisories/43291 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10 Vendor Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51 Vendor Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2 Vendor Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2010/08/20/1 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2010/08/20/11 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/42589 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-1000-1 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0298 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0375 Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing List, Third Party Advisory (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://secunia.com/advisories/41321 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/43291 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/08/20/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/08/20/11 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/42589 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1000-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0298 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0375 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.