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Fencer Vulns
medium 4.6

CVE-2008-3527 json

arch/i386/kernel/sysenter.c in the Virtual Dynamic Shared Objects (vDSO) implementation in the Linux kernel before 2.6.21 does not properly…

published 2008-11-05 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3513

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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.

Patch / fix

  • kernel RHEL 5 2.6.18-92.1.18.el5
  • kernel-PAE RHEL 5 2.6.18-92.1.18.el5
  • kernel-xen RHEL 5 2.6.18-92.1.18.el5
  • kernel-kdump RHEL 5 2.6.18-92.1.18.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-92.1.18.el5

red hat advisories RHSA-2008:0957

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2008-3527 updated

kernel: missing boundary checks in syscall/syscall32_nopage()

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-92.1.18.el5, kernel-PAE 2.6.18-92.1.18.el5, kernel-xen 2.6.18-92.1.18.el5, kernel-kdump 2.6.18-92.1.18.el5, kernel-debuginfo-common 2.6.18-92.1.18.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-92.1.18.el5, kernel-PAE 2.6.18-92.1.18.el5, kernel-xen 2.6.18-92.1.18.el5, kernel-debuginfo-common 2.6.18-92.1.18.el5
    fixed: vendor fix RHSA-2008:0957

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.