Buffer overflow in Blktrace Project
CVE-2018-10689
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.019 · change: -0.001
Affected products
- Blktrace Project — versions 1.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.spinics.net/lists/linux-btrace/msg00847.html (Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/104142 (VDB Entry, Third Party Advisory, vdb-entry)
- git.kernel.dk/
- git.kernel.org/pub/scm/linux/kernel/git/axboe/blktrace.git/commit/ (Patch)
- access.redhat.com/errata/RHSA-2019:2162 (vendor-advisory)
- security.gentoo.org/glsa/202107-15 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-10689?
- CVE-2018-10689 is a medium-severity vulnerability in Blktrace Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2018-05-03.
- How severe is CVE-2018-10689?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-10689 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.