kernel: fix off-by-one error in iov_iter_advance()
Published Aug 8, 2008
4.9
MEDIUMCVSS 2.0
EPSS 0.53%
Description
Off-by-one error in the iov_iter_advance function in mm/filemap.c in the Linux kernel before 2.6.27-rc2 allows local users to cause a denial of service (system crash) via a certain sequence of file I/O operations with readv and writev, as demonstrated by testcases/kernel/fs/ftest/ftest03 from the Linux Test Project.
Affected products
No data.
Configuration 1
- < 2.6.27
- 2.6.27
- 2.6.27
Configuration 2
- 4.0
Configuration 3
- 6.06
- 7.10
- 8.04
No data.
MRG for RHEL-5
kernel-rt-0:2.6.24.7-81.el5rt
Fixed · RHSA-2008:0857
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.24.7-81.el5rt | Fixed | RHSA-2008:0857 |
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 5.
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:N/I:N/A:C
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.53% (0.00532) | 42.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.53% (0.00532) | 40.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.60th | 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 22, 2023 | 1.28% (0.01282) | 68.05th | 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 (15)
- http://mirror.celinuxforum.org/gitstat/commit-detail.php?commit=94ad374a0751f40d25e22e036c37f7263569d24c x_refsource_CONFIRMBroken Link
- http://secunia.com/advisories/31881 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/32190 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/32393 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.debian.org/security/2008/dsa-1636 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.27-rc2 x_refsource_CONFIRMBroken Link
- http://www.lkml.org/lkml/2008/7/30/446 mailing-listx_refsource_MLISTExploitThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2008-0857.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/bid/31132 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/usn-659-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2008-3535 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=457703 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44492 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2008-3535
- https://www.cve.org/CVERecord?id=CVE-2008-3535
Change history (0)
No recorded changes yet.