Security readout for executives and security teams
Plain-English summary
This Linux kernel issue can cause a kernel crash path when Intel uncore performance topology code uses the wrong socket identifier. The public record does not provide CVSS, attack requirements, or confirmed exploitation, so business urgency depends on whether affected Linux kernel builds are present in production.
Executive priority
Track under normal kernel patch management, with escalation for production Linux fleets matching the affected versions. Lack of CVSS and exploitation evidence lowers confidence, but kernel crash bugs still merit timely remediation.
Technical view
CVE-2023-52450 is a resolved Linux kernel NULL pointer dereference in perf/x86/intel/uncore. discover_upi_topology() used a physical socket id where a logical socket id was required, allowing out-of-bounds topology access before upi_fill_topology().
Likely exposure
Exposure is most likely on Linux systems running affected 6.x kernels listed in the source bundle, particularly systems using Intel uncore performance monitoring paths. Exact distro package exposure requires vendor mapping.
Exploitation context
The provided sources do not show CISA KEV listing, active exploitation, public exploit availability, or attacker prerequisites. Treat this as a kernel stability and potential denial-of-service concern until vendor advisories clarify impact.
Researcher notes
The key technical question is version mapping. The source gives upstream stable commit references but limited exploitability detail, no CWE, and no CVSS. Validate against vendor kernels before declaring exposure or non-exposure.
Mitigation direction
- Apply Linux kernel or distribution updates containing the referenced stable fixes.
- Confirm updated systems actually boot into the remediated kernel.
- If patching is delayed, review Linux vendor guidance for supported mitigations.
- Prioritize production hosts matching affected kernel and Intel uncore conditions.
Validation and detection
- Inventory running Linux kernel versions across servers and endpoints.
- Map distro kernel packages to the referenced upstream stable commits.
- Check whether affected hosts use Intel hardware and perf uncore functionality.
- Confirm no systems remain on listed affected kernel versions after remediation.
Public sources used
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
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.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2023-52450 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
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.