LiveActive security incident?Get immediate response
CVE Record

CVE-2023-52465: power: supply: Fix null pointer dereference in smb2_probe

In the Linux kernel, the following vulnerability has been resolved: power: supply: Fix null pointer dereference in smb2_probe devm_kasprintf and devm_kzalloc return a pointer to dynamically allocated memory which can be NULL upon failure.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel reliability flaw in the power supply driver path. A memory allocation failure in smb2_probe could lead to a null pointer dereference. The public record does not provide CVSS scoring, confirmed exploitation, or business-impact detail, so urgency depends on whether affected kernel builds are deployed on relevant systems.

Executive priority

Assign moderate tracking priority, but avoid emergency handling without exposure evidence. The key decision is whether affected kernel builds exist in production or embedded fleets and whether vendor-fixed packages are available.

Technical view

CVE-2023-52465 resolves missing NULL checks after devm_kasprintf and devm_kzalloc in Linux kernel smb2_probe. If allocation returns NULL, the probe path can dereference it. The supplied sources identify Linux kernel versions and stable commit references, but do not describe exploitation prerequisites, privilege requirements, or impact beyond the null pointer dereference.

Likely exposure

Exposure is most likely limited to systems running affected Linux kernel builds where the smb2_probe power supply driver path is present and exercised. The bundle does not identify affected distributions, appliances, cloud images, or hardware platforms.

Exploitation context

CISA KEV status is false, and the supplied sources do not claim active exploitation or public exploit availability. Treat this as a kernel stability and availability risk until vendor advisories provide more operational detail.

Researcher notes

The public bundle is sparse: no CVSS, CWE, exploitability details, or affected distribution mapping. Analysis should stay tied to the kernel fix references and vendor backports. Do not infer remote reachability or privilege requirements from the provided record.

Mitigation direction

  • Check Linux vendor or distribution advisories for CVE-2023-52465 coverage.
  • Update to a kernel package that includes the referenced stable fixes.
  • Prioritize systems using affected kernel lines and relevant power supply driver paths.
  • Track backport status for managed devices and embedded Linux images.

Validation and detection

  • Inventory deployed Linux kernel versions against vendor advisory status.
  • Verify whether vendor kernel changelogs include the referenced stable commits.
  • Identify systems where the smb2_probe driver path is built or loaded.
  • Review reliability telemetry for related kernel probe failures or null dereferences.
Prepared
Confidence
medium
Sources
5

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.

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 · low confidence lookup

CVE-2023-52465 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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
3Timeline events
2ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux8648aeb5d7b70e13264ff5f444f22081d37d4670, 8648aeb5d7b70e13264ff5f444f22081d37d4670, 8648aeb5d7b70e13264ff5f444f22081d37d4670unaffected
LinuxLinux6.5, 0, 6.6.14, 6.7.2, 6.8affected
Weakness

CWE details

No CWE listed

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