media: intel/ipu6: fix async notifier cleanup leak on parse error

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89886
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:16:57 UTC
Updated2026-09-16 11:16:57 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: media: intel/ipu6: fix async notifier cleanup leak on parse error isys_notifier_init() calls v4l2_async_nf_init() and then adds fwnode remote subdevs in a loop with v4l2_async_nf_add_fwnode_remote(). If an endpoint parse or add fails partway through the loop, it jumps to err_parse and returns without calling v4l2_async_nf_cleanup(), leaking every v4l2_async_connection already added to the notifier's waiting list. The register-failure path just below already cleans up correctly, and the caller only tears the notifier down (isys_notifier_cleanup()) once isys_notifier_init() has returned success. Clean up the notifier on the parse error path too.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f50c4ca0a82003b8a542c3332fd292cf1bc355a2 dd5943aedbe4d7eb46158cb35078257733ac48b6 git Not specified
CNA Linux Linux affected f50c4ca0a82003b8a542c3332fd292cf1bc355a2 27b7997be552ee37b3e01beacfeb4131f1bebb5f git Not specified
CNA Linux Linux affected f50c4ca0a82003b8a542c3332fd292cf1bc355a2 eee6069e4e9511e814a33a75e403f7e863f70394 git Not specified
CNA Linux Linux affected f50c4ca0a82003b8a542c3332fd292cf1bc355a2 abb1f808ceab5a3275f8a6b4e37cff17f9f781c1 git Not specified
CNA Linux Linux affected 6.10 Not specified
CNA Linux Linux unaffected 6.10 semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.51 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.5 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/eee6069e4e9511e814a33a75e403f7e863f70394 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/27b7997be552ee37b3e01beacfeb4131f1bebb5f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/abb1f808ceab5a3275f8a6b4e37cff17f9f781c1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/dd5943aedbe4d7eb46158cb35078257733ac48b6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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