Security readout for executives and security teams
Plain-English summary
This issue affects Jiangmin Antivirus 16.0.0.100. A local user could interact with its kernel driver in a way that may crash Windows with a BSOD. The sources also mention possible unspecified impact, but do not define it.
Executive priority
Treat as a targeted endpoint stability risk. Prioritize systems where local users, shared workstations, or untrusted software execution are plausible. Escalate if vendor guidance confirms broader impact.
Technical view
KrnlCall.sys does not validate input values for IOCTL 0x99008020. The documented impact is local denial of service through system crash, with possible unspecified other impact. The source bundle provides no CVSS, CWE, patch, or vendor mitigation details.
Likely exposure
Exposure appears limited to Windows systems running Jiangmin Antivirus 16.0.0.100 with the KrnlCall.sys driver installed. The attacker position is local user access, not remote unauthenticated access.
Exploitation context
The CVE is not listed as KEV in the supplied data. A public GitHub proof-of-concept reference is cited, but the sources do not document active exploitation or reliable impact beyond BSOD and unspecified possibilities.
Researcher notes
The evidence is sparse: no CVSS, CWE, affected CPEs, or patch statement are supplied. The IOCTL and driver are identified, but the “unspecified other impact” claim is not characterized by the sources.
Mitigation direction
- Inventory systems for Jiangmin Antivirus 16.0.0.100.
- Check Jiangmin vendor guidance for patched versions or supported remediation.
- Remove or upgrade affected software where business use is not required.
- Monitor endpoints for crashes referencing KrnlCall.sys.
Validation and detection
- Confirm whether KrnlCall.sys exists on managed Windows endpoints.
- Verify installed Jiangmin Antivirus version against 16.0.0.100.
- Review endpoint crash reports for BSOD events tied to KrnlCall.sys.
- Document vendor patch status before closing remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-6769 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ZhiyuanWang-Chengdu-Qihoo360/Jiangmin_Antivirus_POC/tree/master/KrnlCall_99008020CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.