Security readout for executives and security teams
CVE-2019-19523 is a Linux kernel USB driver memory-safety flaw. A malicious USB device could trigger a use-after-free in the adutux driver on kernels before 5.3.7. The main business risk is compromise or crash of systems that accept untrusted USB devices and run affected kernels. Exposure is most relevant to Linux systems with affected kernel builds where an attacker can connect or influence USB devices. Servers in locked datacenters are lower risk than workstations, labs, kiosks, embedded systems, or field devices with reachable USB ports. Address during normal vulnerability remediation, with faster handling for systems exposed to public, shared, or field USB access. Lack of CVSS and KEV evidence lowers urgency, but kernel memory-safety issues should not be ignored. Mitigation focus: Apply vendor Linux kernel security updates covering CVE-2019-19523.; Upgrade affected systems to a kernel containing the upstream fix or later vendor backport.; Prioritize endpoints and embedded systems exposed to untrusted USB devices..
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-2019-19523 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-5.3.7CVE reference · x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=44efc269db7929f6275a1fa927ef082e533ecde0CVE 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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