Vulnerability Monitor

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CVE-2008-3527

arch/i386/kernel/sysenter.c in the Virtual Dynamic Shared Objects (vDSO) implementation in the Linux kernel before 2.6.21 does not properly check boundaries, which allows local users to gain privileges or cause a denial of service via unspecified vectors, related to the install_special_mapping, syscall, and syscall32_nopage functions.

Security Impact Summary

CVE-2008-3527 is a security vulnerability that . Impacting 1 product from linux organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2008, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2008-11-05T15:00:14.147

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.20.21	Yes
Operating System	linux	linux_kernel	2.2.27	Yes
Operating System	linux	linux_kernel	2.4.36	Yes
Operating System	linux	linux_kernel	2.4.36.1	Yes
Operating System	linux	linux_kernel	2.4.36.2	Yes
Operating System	linux	linux_kernel	2.4.36.3	Yes
Operating System	linux	linux_kernel	2.4.36.4	Yes
Operating System	linux	linux_kernel	2.4.36.5	Yes
Operating System	linux	linux_kernel	2.4.36.6	Yes
Operating System	linux	linux_kernel	2.6	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.18	Yes
Operating System	linux	linux_kernel	2.6.19.4	Yes
Operating System	linux	linux_kernel	2.6.19.5	Yes
Operating System	linux	linux_kernel	2.6.19.6	Yes
Operating System	linux	linux_kernel	2.6.19.7	Yes
Operating System	linux	linux_kernel	2.6.20.16	Yes
Operating System	linux	linux_kernel	2.6.20.17	Yes
Operating System	linux	linux_kernel	2.6.20.18	Yes
Operating System	linux	linux_kernel	2.6.20.19	Yes
Operating System	linux	linux_kernel	2.6.20.20	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7d91d531900bfa1165d445390b3b13a8013f98f7 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html ([email protected])
http://secunia.com/advisories/32485 Vendor Advisory ([email protected])
http://secunia.com/advisories/32759 Vendor Advisory ([email protected])
http://secunia.com/advisories/33180 Vendor Advisory ([email protected])
http://www.debian.org/security/2008/dsa-1687 ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21 ([email protected])
http://www.redhat.com/support/errata/RHSA-2008-0957.html ([email protected])
http://www.securitytracker.com/id?1021137 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=460251 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10602 ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7d91d531900bfa1165d445390b3b13a8013f98f7 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/32485 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/32759 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/33180 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2008/dsa-1687 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21 (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2008-0957.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1021137 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=460251 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10602 (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.