CVE-2026-68236 (GCVE-0-2026-68236)
Vulnerability from cvelistv5
Published
2026-08-10 12:01
Modified
2026-10-19 20:58
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: set new_stream to NULL after release In dm_update_crtc_state(), the skip_modeset path releases new_stream via dc_stream_release() but does not set the pointer to NULL. If a later error (e.g., color management failure) triggers the fail label, the error path calls dc_stream_release() again on the same dangling pointer, causing a double release and potential use-after-free. Fix this by setting new_stream to NULL after the initial release. (cherry picked from commit 99f3af19073b3ddbfd96e789124cce12c4277b28)
References
Impacted products
Vendor Product Version
Linux Linux Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
Version: 9b690ef3c70422cdcd0cf912db33f2c92ef4a53f
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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.