Security readout for executives and security teams
Plain-English summary
CVE-2023-53466 is a Linux kernel Wi-Fi driver memory leak involving the mt76 mt7915 driver. The public record says cleanup could be skipped when a firmware-state check failed. This is more likely an availability or stability concern than a data-theft issue, based on available sources.
Executive priority
Treat as a routine kernel maintenance item unless affected Wi-Fi-enabled Linux systems are business-critical or stability-sensitive. There is no sourced evidence of exploitation, but kernel memory leaks can affect reliability and should be remediated through normal patch cycles.
Technical view
The fix changes mt7915_mcu_exit so MCU skb queues are always purged, even if mt7915_firmware_state fails. The CVE record lists Linux kernel versions as affected and references stable kernel commits. No CVSS score, CWE, or detailed impact analysis is provided in the source bundle.
Likely exposure
Exposure is likely limited to Linux systems running affected kernels with the mt76 mt7915 Wi-Fi driver in use. Systems without this driver or hardware path are less likely to be exposed. The source data does not identify specific distributions, appliances, or vendor products.
Exploitation context
No active exploitation is indicated. The CVE is not listed as KEV in the provided data, and the sources do not describe a public exploit. The issue appears to be a driver cleanup flaw that may cause memory leakage under failure conditions.
Researcher notes
The public record is sparse: no CVSS, CWE, trigger details, or exploitability assessment are provided. Analysis should focus on the referenced stable commits and downstream distro backports. Avoid assuming remote exploitability from the available description alone.
Mitigation direction
- Check your Linux distribution or kernel vendor advisory for CVE-2023-53466 coverage.
- Update to a kernel build that includes the referenced stable fixes.
- Prioritize systems using MediaTek mt7915 Wi-Fi hardware or the mt76 driver.
- If patching is delayed, monitor affected systems for driver-related instability.
Validation and detection
- Inventory Linux kernel versions across relevant endpoints and appliances.
- Confirm whether the mt76 mt7915 driver is present or loaded.
- Map installed kernels against vendor advisories for CVE-2023-53466.
- Verify the kernel includes one of the referenced stable commits or downstream backports.
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-2023-53466 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.
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/4cbb876153b63fe248200f734069c6881cf97722CVE reference, Linux
- https://git.kernel.org/stable/c/3095fe1e1d3198e62a3c7116c4cf7c734871475fCVE reference, Linux
- https://git.kernel.org/stable/c/49bd78282e79ad177d14f37f4049f0605bf92dadCVE reference, Linux
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.