CVE-2018-10689

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

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Severity

Low

Red Hat Product Security

4.8

CVSS 3.0

Review impact separately from score.

Published · May 2, 2018

Updated · November 22, 2025

Description

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.

Statement

Red Hat Product Security has rated this issue as having a security impact of Low, and a future update may address this flaw.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.8
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')