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CVE-2018-10689

20
FAUCET Score

CVE-2018-10689 describes a buffer overflow vulnerability in blktrace 1.2.0, specifically within the dev_map_read function in btt/devmap.c, affecting the Linux kernel and Android. This flaw, rated Medium severity (CVSS 5.5), can lead to an invalid free and denial of service (availability impact) when processing a crafted file, requiring user interaction to trigger. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.0CPE matchmatch criteria
cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:android:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:linux:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 89th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

microsoftpatch availablevia msrc
Product: 16932-16820Fixed in: 1.2.0-5
microsoftpatch availablevia msrc
Product: 16933-16823Fixed in: 1.2.0-6
microsoftpatch availablevia msrc
Product: cm1 blktrace 1.2.0-5 on CBL Mariner 1.0Fixed in: 1.2.0-5
microsoftpatch availablevia msrc
Product: cbl2 blktrace 1.2.0-6 on CBL Mariner 2.0Fixed in: 1.2.0-6
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 1.2.0-5
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.2.0-6
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.2.0-6
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 1.2.0-5
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: blktrace-0:1.0.5-9.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: blktrace
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: blktrace

Vendor Advisories (3)

microsoft2020-Aug/CVE-2018-10689

CVE-2018-10689

Aug 11, 2020
microsoft2018-May/CVE-2018-10689Moderate

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.

May 8, 2018
redhatCVE-2018-10689Low

blktrace: buffer overflow in the dev_map_read function in btt/devmap.c

May 2, 2018

References

git.kernel.dk
access.redhat.com / errata/RHSA-2019:2162
git.kernel.org / pub/scm/linux/kernel/git/axboe/blktrace.git/commit
Patch
security.gentoo.org / glsa/202107-15
spinics.net / lists/linux-btrace/msg00847.html
Mailing ListThird Party Advisory
securityfocus.com / bid/104142
Third Party AdvisoryVDB Entry