CVE-2008-3527

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-11-05 · updated 2026-06-16
Weakness: CWE-264

Description

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.

Affected products

Linux kernel: through 2.6.20.21; 2.2.27, 2.4.36, 2.4.36.1, 2.4.36.2, 2.4.36.3, 2.4.36.4 (+20)

References

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

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