kernel: panic when submitting certain 0-length I/O requests
Published Jan 3, 2011
4.7
MEDIUMCVSS 2.0
EPSS 0.40%
Description
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 2.6.37-rc7 allows local users to cause a denial of service (panic) via a zero-length I/O request in a device ioctl to a SCSI device, related to an unaligned map. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4163.
Affected products
No data.
- < 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
No data.
MRG for RHEL-5
kernel-rt-0:2.6.33.7-rt29.55.el5rt
Fixed · RHSA-2011:0330
Red Hat Enterprise Linux 6
kernel-0:2.6.32-71.14.1.el6
Fixed · RHSA-2011:0007
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.33.7-rt29.55.el5rt | Fixed | RHSA-2011:0330 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-71.14.1.el6 | Fixed | RHSA-2011:0007 |
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 4 and 5 as they did not backport the upstream commit c5dec1c3 that introduced the issue. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0007.html and https://rhn.redhat.com/errata/RHSA-2011-0330.html.
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:M/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 | 0.40% (0.00405) | 32.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00405) | 31.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00069) | 18.53th | 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 (16)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5478755616ae2ef1ce144dded589b62b2a50d575 x_refsource_CONFIRM
- http://lkml.org/lkml/2010/11/29/68 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://lkml.org/lkml/2010/11/29/70 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/29/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/30/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/30/7 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://secunia.com/advisories/42890 third-party-advisoryx_refsource_SECUNIAThird Party AdvisoryVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc7 x_refsource_CONFIRMBroken Link
- http://www.redhat.com/support/errata/RHSA-2011-0007.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/bid/45660 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2010-4668 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=652957 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64496 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2010-4668
- https://patchwork.kernel.org/patch/363282/ x_refsource_CONFIRMPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2010-4668
Change history (0)
No recorded changes yet.