Security readout for executives and security teams
Plain-English summary
This is a Linux kernel Wi-Fi cfg80211 OCB state-handling flaw. The fix prevents the kernel from asking lower Wi-Fi layers to leave OCB mode when no OCB state exists. Public sources do not describe business impact, severity, or a practical attack path.
Executive priority
Treat this as a kernel hygiene item unless your environment depends on Linux Wi-Fi OCB behavior. There is no source-backed evidence of active exploitation or severity, so prioritize patching through normal kernel maintenance channels.
Technical view
The resolved change adds a state check in the cfg80211 OCB leave path. When no OCB state is present, the kernel should not call driver or mac80211 leave handling. The CVE record lists affected Linux kernel versions and stable kernel commits, but provides no CVSS, CWE, or impact detail.
Likely exposure
Exposure appears limited to Linux systems running affected kernels where Wi-Fi cfg80211 OCB functionality is present or reachable. General Linux servers without relevant wireless functionality are less likely to have meaningful exposure, but the source bundle does not define prerequisites.
Exploitation context
CISA KEV status is false in the provided bundle. No cited source states active exploitation, public exploit availability, attacker prerequisites, or real-world abuse.
Researcher notes
Evidence is sparse. The issue is a logic/state check in cfg80211 OCB leave handling, fixed by stable kernel commits. The CVE data does not explain impact, triggerability, privilege requirements, or whether the flaw can cause denial of service or memory corruption.
Mitigation direction
- Review the Linux kernel stable commits referenced for this CVE.
- Upgrade to a vendor-supported kernel containing the referenced OCB fix.
- Check your Linux distribution advisories for backported kernel fixes.
- Prioritize systems with Wi-Fi hardware or OCB-related workloads.
- If no vendor advisory exists, follow vendor kernel guidance before changing production kernels.
Validation and detection
- Inventory Linux kernel versions across managed systems.
- Identify hosts with Wi-Fi hardware or cfg80211 usage.
- Compare deployed kernels with vendor advisories and referenced stable commits.
- Confirm patched kernels include the OCB leave-state check.
- Document systems where Wi-Fi functionality is absent or disabled.
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-2023-53992 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/d7b0fe3487d203c04ee1bda91a63bd4dd398c350CVE reference, Linux
- https://git.kernel.org/stable/c/94332210902967b7d63294b43428c8ed075b20e6CVE reference, Linux
- https://git.kernel.org/stable/c/abc76cf552e13cfa88a204b362a86b0e08e95228CVE 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.