CVE-2023-53849: drm/msm: fix workqueue leak on bind errors
In the Linux kernel, the following vulnerability has been resolved:
drm/msm: fix workqueue leak on bind errors
Make sure to destroy the workqueue also in case of early errors during
bind (e.g. a subcomponent failing to bind).
Since commit c3b790ea07a1 ("drm: Manage drm_mode_config_init with
drmm_") the mode config will be freed when the drm device is released
also when using the legacy interface, but add an explicit cleanup for
consistency and to facilitate backporting.
Patchwork: https://patchwork.freedesktop.org/patch/525093/
Security readout for executives and security teams
Plain-English summary
This Linux kernel issue is a cleanup bug in the Qualcomm MSM DRM graphics driver. If device binding fails early, a workqueue may not be destroyed, causing a resource leak. The sources do not show remote code execution, privilege escalation, or active exploitation.
Executive priority
Treat this as low urgency unless your fleet includes Qualcomm/MSM Linux devices or products. Prioritize normal kernel maintenance and verify vendor patch availability; no evidence in the bundle supports emergency response.
Technical view
CVE-2023-53849 fixes a drm/msm bind-error path where the driver failed to destroy a workqueue when subcomponent binding failed. Kernel stable references contain backported fixes. Public metadata provides no CVSS score, CWE, exploit evidence, or detailed impact beyond the workqueue leak.
Likely exposure
Exposure is most likely on Linux systems using affected kernel versions with the MSM DRM driver path, commonly tied to Qualcomm/Adreno graphics platforms. Generic servers without this driver path are less likely exposed, but kernel package mapping is required.
Exploitation context
The CVE is not listed as KEV in the provided bundle. No cited source reports active exploitation. The observable condition is an error path during driver binding, not a documented remote attack path.
Researcher notes
The core evidence is narrow: a workqueue cleanup fix on early bind failure. The CVE metadata lacks CVSS, CWE, and exploit details, so impact assessment should avoid assumptions beyond resource leakage and affected kernel mapping.
Mitigation direction
Identify Linux kernel versions deployed on Qualcomm/MSM graphics platforms.
Apply vendor kernel updates containing the referenced stable fixes.
For managed distributions, follow the distribution security advisory and package cadence.
If no package exists, check vendor guidance before backporting kernel patches.
Validation and detection
Check whether deployed kernels include the referenced stable commits.
Confirm whether the msm DRM driver is built, loaded, or used.
Review boot and kernel logs for repeated msm bind failures.
Track distribution advisories for CVE-2023-53849 package status.
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
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ATT&CK lookup starting points
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CVE-2023-53849 mapping review
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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
5Source links
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.
Dec 9, 2025, 01:30 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.