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CVE-2018-10689

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer...

5.5 MediumFix available

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.85%Up 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
CVE-2018-10689
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
CVE-2018-10689
Updated
2026-11-02
EUVDEUVD-2018-2760 No score

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
EUVD-2018-2760
Updated
2026-11-03
GitHub AdvisoriesGHSA-pr22-23wp-22hm 5.5

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer...

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
GHSA-pr22-23wp-22hm
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-119
Updated
2026-11-02
OSVAZL-6328 5.5

CVE-2018-10689 affecting package blktrace for versions less than 1.2.0-6

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
AZL-6328
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 5.5

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
CVE-2018-10689
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2018-10689 5.5

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
DEBIAN-CVE-2018-10689
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2019:2162 4.8

Red Hat Security Advisory: blktrace security update

Record
RHSA-2019:2162
CVSS 3.0
4.8 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2018-10689 5.5

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

Record
UBUNTU-CVE-2018-10689
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2019:1224-1 No score

Security update for blktrace

This update for blktrace fixes the following issues:

  • CVE-2018-10689: Prevent buffer overflow in the dev_map_read function because the device and devno arrays were too small (bsc#1091942)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:1224-1
Updated
2026-11-02
OSVSUSE-SU-2019:0919-1 No score

Security update for blktrace

This update for blktrace fixes the following issues:

  • CVE-2018-10689: Prevent buffer overflow in the dev_map_read function because the device and devno arrays were too small (bsc#1091942)
Record
SUSE-SU-2019:0919-1
Updated
2026-11-02
OSVSUSE-SU-2020:2942-1 No score

Security update for blktrace

blktrace was updated to fix a security issue:

  • CVE-2018-10689: Prevent buffer overflow in the dev_map_read function because the device and devno arrays were too small (bsc#1091942)
Record
SUSE-SU-2020:2942-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
blktrace
Azure Linux:2
 before 1.2.0-6
1.2.0-6
blktrace
Debian:12
 before 1.2.0-1
1.2.0-1
blktrace
Debian:13
 before 1.2.0-1
1.2.0-1
blktrace
Debian:14
 before 1.2.0-1
1.2.0-1
blktrace
Red Hat:enterprise_linux:7::client
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace
Red Hat:enterprise_linux:7::computenode
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace
Red Hat:enterprise_linux:7::server
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
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Affected packages
PackageAffectedFixed
blktrace
Red Hat:enterprise_linux:7::workstation
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:1.0.5-9.el7
0:1.0.5-9.el7
blktrace
SUSE:Linux Enterprise Module for Development Tools 15
 before 1.1.0+git.20170126-3.3.28
1.1.0+git.20170126-3.3.28
blktrace
SUSE:Linux Enterprise Server 12 SP5
 before 1.0.5-8.5.74
1.0.5-8.5.74
blktrace
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
 before 1.0.5-8.5.74
1.0.5-8.5.74
blktrace
Ubuntu:14.04:LTS
 before 1.0.5-1+deb8u1build0.14.04.1, plus listed versions
1.0.5-1
1.0.5-1+deb8u1build0.14.04.1
blktrace
Ubuntu:16.04:LTS
 before 1.1.0-2+deb9u1build0.16.04.1, plus listed versions
1.1.0-2
1.1.0-2+deb9u1build0.16.04.1
blktrace
Ubuntu:18.04:LTS
 before 1.1.0-2+deb9u1build0.18.04.1, plus listed versions
1.1.0-2
1.1.0-2+deb9u1build0.18.04.1
blktrace
openSUSE:Leap 15.0
 before 1.1.0+git.20170126-lp150.2.3.1
1.1.0+git.20170126-lp150.2.3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-10689 is a medium vulnerability (CVSS 5.5) in Blktrace Project Blktrace, published May 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. Fixed in blktrace 1.2.0-6.

References

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