kernel: missing boundary checks in syscall/syscall32_nopage()
Published Nov 5, 2008
4.6
MEDIUMCVSS 2.0
EPSS 0.38%
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
No data.
- ≤ 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
- 2.4.36.5
- 2.4.36.6
- 2.6
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.19.4
- 2.6.19.5
- 2.6.19.6
- 2.6.19.7
- 2.6.20.16
- 2.6.20.17
- 2.6.20.18
- 2.6.20.19
- 2.6.20.20
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-92.1.18.el5
Fixed · RHSA-2008:0957
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-92.1.18.el5 | Fixed | RHSA-2008:0957 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00377) | 29.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00377) | 29.27th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00065) | 17.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.28% (0.01282) | 67.79th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.55% (0.01547) | 74.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (14)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7d91d531900bfa1165d445390b3b13a8013f98f7 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/32485 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/32759 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/33180 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.debian.org/security/2008/dsa-1687 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2008-0957.html vendor-advisoryx_refsource_REDHAT
- http://www.securitytracker.com/id?1021137 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2008-3527 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=460251 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2008-3527
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10602 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2008-3527
Change history (0)
No recorded changes yet.