Security readout for executives and security teams
CVE-2019-19543 is a Linux kernel memory safety bug in the serial infrared driver initialization path. The bundle identifies the issue as fixed before Linux 5.1.6, but does not provide CVSS, confirmed exploitation, or detailed business impact. Treat exposure as product and kernel-version dependent. Likely exposure is Linux systems with kernels older than the fixed upstream state, especially where the serial_ir driver is present or enabled. Downstream vendors may have backported fixes, so package advisory status matters more than only the displayed kernel version. Handle through normal kernel patch governance unless asset inventory shows old or unsupported Linux kernels. Escalate if affected systems are high-value, difficult to patch, or rely on untrusted local access paths. Mitigation focus: Upgrade to a kernel or vendor package containing the upstream fix included by Linux 5.1.6.; Apply relevant distribution or appliance vendor advisories, including openSUSE and NetApp guidance where applicable.; If patching is delayed, review vendor-supported options for disabling unneeded serial infrared functionality..
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-2019-19543 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=56cd26b618855c9af48c8301aa6754ced8dd0bebCVE reference · x_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6CVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200924-0005/CVE reference · x_refsource_CONFIRM
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.