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CVE Record

CVE-2019-19769: In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (relat...

In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (related to include/trace/events/lock.h).

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2019-19769 is a Linux kernel memory-safety issue in kernel tracing around lock acquisition. The supplied data describes a use-after-free read in Linux 5.3.10, but provides no CVSS score, CWE, confirmed affected product list, or exploitation evidence.

Executive priority

Handle as a kernel patch-management item with unknown severity. The business priority is to identify affected Linux assets and follow vendor guidance, especially where kernel update windows are already planned or systems are operationally sensitive.

Technical view

The flaw is reported in perf_trace_lock_acquire, related to include/trace/events/lock.h. It is characterized only as a use-after-free read in Linux kernel 5.3.10. Vendor advisories from Fedora, Ubuntu, and NetApp are cited, but the bundle does not include detailed impact or patch specifics.

Likely exposure

Likely exposure is limited to systems running Linux kernel 5.3.10 or vendor kernels containing the affected tracing code. The bundle lists no precise CPEs, supported version ranges, or confirmed product impacts beyond vendor advisory references.

Exploitation context

The source bundle does not show active exploitation, public exploitation, or CISA KEV listing. Treat exploitability and impact as unconfirmed from these sources. A kernel use-after-free read may matter operationally, but severity cannot be ranked from the supplied evidence alone.

Researcher notes

Key gaps are missing CVSS, CWE, CPEs, and detailed vendor impact statements in the supplied bundle. Avoid assuming privilege requirements, exploitability, or remediation mechanics without reading the linked advisories and upstream bug details.

Mitigation direction

  • Check Fedora, Ubuntu, NetApp, or Linux vendor advisories for applicable kernel updates.
  • Inventory systems for Linux kernel 5.3.10 and related vendor kernel builds.
  • Prioritize kernel updates where the vendor confirms exposure.
  • If no vendor guidance applies, track upstream kernel advisory and distribution security notices.

Validation and detection

  • Query fleet inventory for Linux kernel versions matching 5.3.10.
  • Review vendor advisory applicability for each distribution or appliance image.
  • Confirm installed kernel packages include the vendor-fixed version where available.
  • Document systems where exposure cannot be determined from vendor data.
Prepared
Confidence
medium
Sources
8

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

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CVE-2019-19769 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
7Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.