Security readout for executives and security teams
CVE-2019-19947 is a Linux kernel information leak in the Kvaser USB CAN driver. Affected kernels could expose uninitialized kernel memory to a USB device using that driver. Business impact is most relevant for engineering, industrial, automotive, or lab systems that use Kvaser USB CAN adapters. Exposure is likely limited to systems running affected Linux kernels with the Kvaser USB CAN driver reachable through connected Kvaser USB CAN hardware. General-purpose servers without this driver or hardware are less likely exposed. Treat as targeted operational exposure, not broad internet-facing emergency. Prioritize industrial, automotive, lab, or embedded environments where USB CAN adapters are used, especially if untrusted USB devices can be connected. Mitigation focus: Apply Linux kernel security updates from your distribution or product vendor.; Prioritize Ubuntu, Debian LTS, NetApp, and Linux systems using Kvaser USB CAN adapters.; Check whether vendor guidance includes a fixed kernel containing commit da2311a6385c..
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
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ATT&CK lookup starting points
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CVE-2019-19947 mapping review
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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/torvalds/linux/commit/da2311a6385c3b499da2ed5d9be59ce331fa93e9CVE reference · x_refsource_MISC
- [debian-lts-announce] 20200118 [SECURITY] [DLA 2068-1] linux security updateCVE reference · mailing-list, x_refsource_MLIST
- https://security.netapp.com/advisory/ntap-20200204-0002/CVE reference · x_refsource_CONFIRM
- USN-4285-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security updateCVE reference · mailing-list, x_refsource_MLIST
- USN-4284-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4427-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4485-1CVE reference · vendor-advisory, x_refsource_UBUNTU
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.