CVE-2018-10689
CVE-2018-10689 is a medium-severity vulnerability in Blktrace Project Blktrace with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Blktrace Project Blktrace
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2018-10689?
- CVE-2018-10689 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-10689 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-10689?
- CVE-2018-10689 primarily affects Blktrace Project Blktrace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-10689?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-10689 published?
- CVE-2018-10689 was published on 2018-05-03 and last updated on 2026-06-17.
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
Affected products (2)
- cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:android:*:*
- cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:linux:*:*
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