Security readout for executives and security teams
CVE-2019-19531 is a Linux kernel USB-driver memory safety flaw. A malicious USB device could trigger a use-after-free in the yurex driver on kernels before 5.2.9. Business risk is highest for systems where untrusted USB devices can be connected. Exposure is most likely on Linux systems running vulnerable or unpatched vendor kernels with the yurex USB misc driver available and physical or proxied USB access. Treat as a targeted physical-access risk rather than an internet-scale emergency. Patch through normal kernel security maintenance, with faster action for exposed workstations, public systems, and devices accepting USB peripherals. Mitigation focus: Update Linux kernels using vendor security packages or a release containing the upstream fix.; Prioritize endpoints, kiosks, labs, embedded systems, and servers with accessible USB ports.; Restrict untrusted USB device use where patching is delayed..
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-2019-19531 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-5.2.9CVE reference · x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc05481b2fcabaaeccf63e32ac1baab54e5b6963CVE reference · x_refsource_MISC
- [debian-lts-announce] 20200118 [SECURITY] [DLA 2068-1] linux security updateCVE reference · mailing-list, x_refsource_MLIST
- [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
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