Security readout for executives and security teams
CVE-2019-19526 is a Linux kernel memory safety flaw triggered by a malicious USB device. The issue is in the PN533 NFC USB driver. Business risk is highest for Linux systems where untrusted people can plug in USB devices, such as kiosks, shared workstations, labs, or field devices. Exposure is mainly Linux systems running kernels before 5.3.9, or distro kernels lacking the vendor backport, with accessible USB ports and PN533 NFC USB driver support. Remote-only servers without practical USB device insertion paths are less likely exposed. Patch during normal security maintenance, with faster handling for exposed endpoints and devices where USB access is hard to control. This is not evidenced as actively exploited in the supplied sources, but physical-access kernel bugs can create serious local compromise risk. Mitigation focus: Update to a vendor kernel containing the CVE-2019-19526 fix.; For mainline kernels, move beyond Linux 5.3.9 or equivalent fixed backport.; Prioritize systems with public, shared, or uncontrolled USB access..
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-2019-19526 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
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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-5.3.9CVE reference · x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6af3aa57a0984e061f61308fe181a9a12359feccCVE reference · x_refsource_MISC
- USN-4226-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
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