fbdev: omapfb: panel-dsi-cm: initialize lock before registering display

Summary

CVECVE-2026-89599
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:44 UTC
Updated2026-09-11 20:19:44 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: fbdev: omapfb: panel-dsi-cm: initialize lock before registering display dsicm_probe() registers the display before initializing ddata->lock. Once omapdss_register_display() publishes the display, another consumer can reach a dsicm callback that takes this mutex while it is still uninitialized. Initialize the mutex before registering the display so the published callbacks always see a valid lock.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f76ee892a99e68b55402b8d4b8aeffcae2aff34d 2c3f8c9c995db185284b079f39177e85b2258176 git Not specified
CNA Linux Linux affected f76ee892a99e68b55402b8d4b8aeffcae2aff34d 76818e81cfcae33b09b739de09162c7d8d89bf0b git Not specified
CNA Linux Linux affected f76ee892a99e68b55402b8d4b8aeffcae2aff34d 09db79078f25c048cfb5d7849795c70415ab8574 git Not specified
CNA Linux Linux affected f76ee892a99e68b55402b8d4b8aeffcae2aff34d f8e43fe0f22b7137ce456e6fe3581d3098174f74 git Not specified
CNA Linux Linux affected 4.5 Not specified
CNA Linux Linux unaffected 4.5 semver Not specified
CNA Linux Linux unaffected 6.12.109 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/76818e81cfcae33b09b739de09162c7d8d89bf0b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f8e43fe0f22b7137ce456e6fe3581d3098174f74 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/09db79078f25c048cfb5d7849795c70415ab8574 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2c3f8c9c995db185284b079f39177e85b2258176 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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