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CVE Record

CVE-2023-52827: wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats() len is extracted from HTT message and could be an unexpected value in case errors happen, so add validation before using to avoid possible out-of-bound read in the following message iteration and parsing. The same issue also applies to ppdu_info->ppdu_stats.common.num_users, so validate it before using too. These are found during code review. Compile test only.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue is a possible out-of-bounds read in the ath12k Wi-Fi driver. It was found by code review, not reported as exploited. Business risk depends on whether affected systems use ath12k-supported wireless hardware and kernels mapped to the vulnerable range.

Executive priority

Treat as a targeted kernel maintenance item, not an emergency, unless your fleet depends on affected ath12k Wi-Fi systems. Patch through normal kernel update channels and verify vendor backports.

Technical view

The flaw is in ath12k_htt_pull_ppdu_stats(), where a length value from an HTT message and num_users could be unexpected. The fix adds validation before iterating and parsing PPDU statistics to avoid out-of-bounds reads. The source states compile testing only.

Likely exposure

Exposure is likely limited to Linux systems running affected kernel builds with the ath12k Wi-Fi driver relevant to supported Qualcomm wireless hardware. The source lists Linux kernel versions including 6.3, 6.5.13, 6.6.3, and 6.7, but distro backport status must be verified.

Exploitation context

The source says the issue was found during code review and compile-tested only. No KEV entry, public exploitation, exploit method, or attacker prerequisites are provided in the supplied sources.

Researcher notes

Impact details are incomplete: no CVSS, CWE, exploitability analysis, or runtime test evidence is provided. The key evidence is the kernel fix rationale: validating HTT-provided length and user count before PPDU stats parsing.

Mitigation direction

  • Apply a vendor kernel update that includes the referenced ath12k validation fixes.
  • Check Linux distribution advisories for backported fixes to your supported kernel packages.
  • Prioritize systems with ath12k wireless hardware or enabled ath12k kernel modules.
  • Follow vendor guidance if no package update is currently available.

Validation and detection

  • Inventory Linux kernel versions and map them to vendor advisory status.
  • Identify systems with ath12k driver support enabled or loaded.
  • Confirm kernel packages include one of the referenced stable fixes or equivalent backport.
  • Record unsupported or unclear kernels for vendor follow-up.
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

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CVE-2023-52827 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
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
LinuxLinuxd889913205cf7ebda905b1e62c5867ed4e39f6c2, d889913205cf7ebda905b1e62c5867ed4e39f6c2, d889913205cf7ebda905b1e62c5867ed4e39f6c2unaffected
LinuxLinux6.3, 0, 6.5.13, 6.6.3, 6.7affected
Weakness

CWE details

No CWE listed

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