LiveActive security incident?Get immediate response
CVE Record

CVE-2023-53575: wifi: iwlwifi: mvm: fix potential array out of bounds access

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix potential array out of bounds access Account for IWL_SEC_WEP_KEY_OFFSET when needed while verifying key_len size in iwl_mvm_sec_key_add().

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel Wi-Fi driver flaw in iwlwifi. The bug could let code read or write outside an expected array when adding a security key. The source does not provide severity, CVSS, exploit evidence, or business impact details.

Executive priority

Monitor and patch through normal kernel update channels unless your environment heavily depends on Linux endpoints with Intel Wi-Fi. No source evidence supports emergency response or active exploitation.

Technical view

The issue is in iwl_mvm_sec_key_add(), where key_len validation did not account for IWL_SEC_WEP_KEY_OFFSET when required. Linux resolved it with upstream stable commits. The available record identifies affected Linux kernel versions, but distribution backport status is not provided.

Likely exposure

Exposure is most likely on Linux systems using the iwlwifi wireless driver with affected kernel builds. Server fleets without Intel Wi-Fi hardware or without the driver enabled are less likely exposed, but version-only assessment is insufficient.

Exploitation context

The provided sources do not show active exploitation, public exploit availability, KEV listing, CVSS score, or required attack conditions. Treat exploitability as unconfirmed from this bundle.

Researcher notes

Key uncertainty is exploitability. The record describes a bounds-checking fix but provides no CVSS, CWE, trigger conditions, privilege requirements, or attacker proximity. Validate against upstream commits and downstream vendor backports.

Mitigation direction

  • Apply vendor kernel updates that include the referenced upstream stable fixes.
  • Check Linux distribution advisories for backported fixes and affected package versions.
  • Prioritize laptops, workstations, and appliances using Intel iwlwifi wireless hardware.
  • Avoid direct wrangler-style assumptions: verify vendor guidance before operational changes.

Validation and detection

  • Inventory Linux systems running affected kernel versions or vendor-derived builds.
  • Identify hosts with iwlwifi built, installed, or loaded.
  • Check kernel package changelogs for the referenced stable commit fixes.
  • Review vendor advisories for distro-specific fixed versions and backport notes.
Prepared
Confidence
medium
Sources
4

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-2023-53575 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
0ADP providers
3Source links

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.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux5c75a208c2449c6ea24f07610cc052f6a352246c, 5c75a208c2449c6ea24f07610cc052f6a352246cunaffected
LinuxLinux6.2, 0, 6.4.7, 6.5affected
Weakness

CWE details

No CWE listed

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