CVE-2018-10689

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-03 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Blktrace Project Blktrace: 1.2.0

References

http://git.kernel.dk/?p=blktrace.git%3Ba=log%3Bh=d61ff409cb4dda31386373d706ea0cfb1aaac5b7
http://www.securityfocus.com/bid/104142
https://access.redhat.com/errata/RHSA-2019:2162
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/blktrace.git/commit/?id=d61ff409cb4dda31386373d706ea0cfb1aaac5b7
https://security.gentoo.org/glsa/202107-15
https://www.spinics.net/lists/linux-btrace/msg00847.html
http://git.kernel.dk/?p=blktrace.git%3Ba=log%3Bh=d61ff409cb4dda31386373d706ea0cfb1aaac5b7
http://www.securityfocus.com/bid/104142
https://access.redhat.com/errata/RHSA-2019:2162
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/blktrace.git/commit/?id=d61ff409cb4dda31386373d706ea0cfb1aaac5b7
https://security.gentoo.org/glsa/202107-15
https://www.spinics.net/lists/linux-btrace/msg00847.html

Get alerted when CVE-2018-10689 or the next vulnerability affects your stack