util-linux: Extended partition loop in MBR partition table leads to DOS
Published Apr 11, 2017
4.6
MEDIUMCVSS 3.1
EPSS 0.47%
Description
The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.
Affected products
No data.
Configuration 1
- ≤ 2.28
Configuration 2
- 7.0
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 7.0
- 7.3
- 7.4
- 7.6
- 7.7
- 7.3
- 7.6
- 7.7
- 7.0
Configuration 4
- 8.8.6.0
No data.
Red Hat Enterprise Linux 7
util-linux-0:2.23.2-33.el7
Fixed · RHSA-2016:2605
Red Hat Enterprise Linux 5
util-linux
Will not fix
Red Hat Enterprise Linux 6
util-linux-ng
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | util-linux-0:2.23.2-33.el7 | Fixed | RHSA-2016:2605 |
| Red Hat Enterprise Linux 5 | util-linux | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | util-linux-ng | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.47% (0.00468) | 38.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.46% (0.00464) | 36.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00059) | 15.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00163) | 54.32th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.16% (0.00163) | 53.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00163) | 51.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.11% (0.01108) | 54.62th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.54% (0.01537) | 73.85th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://rhn.redhat.com/errata/RHSA-2016-2605.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1024543 x_refsource_CONFIRMThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=nas8N1021801 x_refsource_CONFIRMThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/11/2 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/91683 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036272 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-5011 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1349741 Issue Tracking
- https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=7164a1c3 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-5011
- https://www.cve.org/CVERecord?id=CVE-2016-5011
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2605.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www-01.ibm.com/support/docview.wss?uid=isg3T1024543 | x_refsource_CONFIRMThird Party Advisory | |
| http://www-01.ibm.com/support/docview.wss?uid=nas8N1021801 | x_refsource_CONFIRMThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/07/11/2 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/91683 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1036272 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-5011 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1349741 | Issue Tracking | |
| https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=7164a1c3 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-5011 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-5011 |
Change history (0)
No recorded changes yet.