blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a…
Priority LOW 29CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 2 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01854 79th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 4 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:android:*:* | 1.2.0 | Vulnerable | Blktrace Project |
| cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:linux:*:* | 1.2.0 | Vulnerable | Blktrace Project |
- cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:android:*:* Versions 1.2.0 Vulnerable ·Blktrace Project
- cpe:2.3:a:blktrace_project:blktrace:1.2.0:*:*:*:*:linux:*:* Versions 1.2.0 Vulnerable ·Blktrace Project
Remediation
Red Hat 1 advisory
- RHSA-2019:2162 Released 2019-08-06 · Red Hat rating Lowblktrace security update
- Red Hat Enterprise Linux Client (v. 7) blktrace-1.0.5-9.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) blktrace-1.0.5-9.el7
- Red Hat Enterprise Linux Server (v. 7) blktrace-1.0.5-9.el7
- Red Hat Enterprise Linux Workstation (v. 7) blktrace-1.0.5-9.el7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2019:2162 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2019:2162 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:2162 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:2162 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10689
- 2026-10-03 Alias added: GHSA-pr22-23wp-22hm
References
Sources
- CVE-2018-10689 · CVE Program
- CVE-2018-10689 · NVD
- FIRST EPSS
- GHSA-pr22-23wp-22hm · GitHub Advisory Database · CC BY 4.0
- CVE-2018-10689 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences