Security readout for executives and security teams
Plain-English summary
CVE-2022-50627 is a Linux kernel Wi-Fi driver crash in ath11k. When monitor mode is enabled, the kernel can hit a NULL pointer dereference and crash. Business impact is mainly service disruption on affected Linux systems using supported Qualcomm ath11k hardware.
Executive priority
Prioritize for wireless appliances, routers, lab sensors, or Linux endpoints that use ath11k monitor mode. For general servers without ath11k Wi-Fi hardware, urgency is low.
Technical view
The ath11k receive monitor path incorrectly processes monitor ring packets and attempts packet-type extraction not needed for RAW monitor packets. The fix sets RX_FLAG_ONLY_MONITOR to skip that path. The reported crash is a kernel NULL pointer dereference in ath11k_hw_qcn9074_rx_desc_get_decap_type.
Likely exposure
Exposure appears limited to Linux systems using the ath11k Wi-Fi driver, especially Qualcomm QCN9074-class hardware, where monitor mode can be enabled. The CVE data lists Linux kernel versions including 5.6, 6.1.16, 6.2.3, and 6.3 as affected, but version range detail is incomplete.
Exploitation context
No CISA KEV listing or cited source indicates active exploitation. The public description shows a crash when an ath11k interface is brought up in monitor mode. Enabling monitor mode typically requires local administrative or network-management privileges.
Researcher notes
The source bundle provides a kernel call trace, affected Linux entries, and three stable commit references. It does not provide CVSS, CWE, confirmed exploit activity, or complete downstream distribution fix status. Treat scope as driver- and hardware-dependent.
Mitigation direction
- Update to a vendor kernel containing the linked stable ath11k fixes.
- Check Linux distribution advisories for backported fixes and exact affected versions.
- Avoid enabling monitor mode on ath11k interfaces until patched.
- Restrict administrative wireless configuration privileges on affected systems.
Validation and detection
- Inventory Linux systems using the ath11k driver and Qualcomm Wi-Fi hardware.
- Confirm kernel packages include one of the linked stable fixes or vendor backport.
- Review kernel logs for ath11k NULL pointer dereference crashes.
- Validate monitor-mode use cases in a controlled lab after patching.
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
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CVE-2022-50627 mapping review
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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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
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.