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CVE Record

CVE-2022-50629: wifi: rsi: Fix memory leak in rsi_coex_attach()

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: Fix memory leak in rsi_coex_attach() The coex_cb needs to be freed when rsi_create_kthread() failed in rsi_coex_attach().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-50629 is a Linux kernel bug in the RSI Wi-Fi driver. A failure during setup can leak memory. The public record does not show active exploitation, a CVSS score, or detailed business impact. Risk is mainly for systems using affected Linux kernels with this wireless driver present or enabled.

Executive priority

Treat as a routine kernel maintenance item unless RSI Wi-Fi is widely used in your fleet. There is no public exploitation signal in the provided sources. Patch through normal Linux update cycles, with higher attention for embedded or wireless-enabled Linux devices.

Technical view

The issue is in rsi_coex_attach() in the Linux kernel RSI wireless driver. If rsi_create_kthread() fails, coex_cb was not freed, causing a memory leak. Stable kernel commits correct the cleanup path. Public sources do not define attack prerequisites, exploitability, or a CWE.

Likely exposure

Exposure is likely limited to Linux systems running affected kernel versions and using the RSI Wi-Fi driver path. Systems without this driver, hardware, or module enabled may not be practically exposed. Distribution backports may change version-based assessment.

Exploitation context

No cited source reports active exploitation, and the CVE is not marked KEV. The public description only identifies a memory leak on an error path. There is insufficient evidence to claim remote exploitability, privilege requirements, or reliable denial-of-service impact.

Researcher notes

The available record is sparse. It confirms a missing free of coex_cb when rsi_create_kthread() fails in rsi_coex_attach(). It does not describe how an attacker could trigger the failure path, whether repeated leakage is controllable, or any affected distribution package mapping.

Mitigation direction

  • Apply Linux vendor or distribution kernel updates containing the referenced stable fixes.
  • Prioritize systems with RSI wireless hardware or the rsi driver enabled.
  • Review vendor advisories for supported fixed kernel packages and backports.
  • Reboot systems if required for the updated kernel to take effect.

Validation and detection

  • Inventory Linux kernel versions across endpoints, servers, and embedded systems.
  • Identify systems with RSI wireless hardware or the RSI driver enabled.
  • Confirm the relevant stable fix is present via vendor changelog or kernel source history.
  • Check distribution security advisories for backported fixes under the installed kernel version.
Prepared
Confidence
medium
Sources
9

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

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-2022-50629 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
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux2108df3c4b1856588ca2e7f641900c2bbf38467e, 2108df3c4b1856588ca2e7f641900c2bbf38467e, 2108df3c4b1856588ca2e7f641900c2bbf38467e, 2108df3c4b1856588ca2e7f641900c2bbf38467e, 2108df3c4b1856588ca2e7f641900c2bbf38467e, 2108df3c4b1856588ca2e7f641900c2bbf38467e, 2108df3c4b1856588ca2e7f641900c2bbf38467eunaffected
LinuxLinux4.17, 0, 4.19.276, 5.4.235, 5.10.173, 5.15.99, 6.1.16, 6.2.3, 6.3affected
Weakness

CWE details

No CWE listed

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