Security readout for executives and security teams
CVE-2019-19534 is a Linux kernel information leak tied to the PEAK USB CAN driver. A malicious USB device could trigger the bug on vulnerable kernels before 5.3.11. The main business risk is exposure of kernel memory information on systems where untrusted USB devices can be connected. Exposure is most plausible on Linux systems running kernels before 5.3.11 where the PEAK USB CAN driver is available and a malicious USB device can be attached. Systems without USB exposure or without this driver are less likely to be practically exposed, but should still follow vendor kernel advisories. Treat as a targeted physical or device-adjacent exposure issue. Patch through normal kernel security maintenance, escalating for environments where staff, contractors, or field users can attach USB devices to sensitive Linux systems. Mitigation focus: Upgrade affected Linux kernels using the appropriate vendor security advisory.; Prioritize systems allowing physical or operational USB device access.; Review Ubuntu, openSUSE, and Debian advisories for distribution-specific fixed packages..
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-2019-19534 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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11CVE reference · x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f7a1337f0d29b98733c8824e165fca3371d7d4fdCVE reference · x_refsource_MISC
- USN-4228-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4227-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4226-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4225-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4228-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4227-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20200118 [SECURITY] [DLA 2068-1] linux security updateCVE reference · mailing-list, x_refsource_MLIST
- USN-4225-2CVE 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
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.