CVE-2026-90298 PUBLISHED

drm/sun4i: tcon: Drop TCON TOP device reference

Assigner: Linux
Reserved: 11.09.2026 Published: 17.09.2026 Updated: 17.09.2026

In the Linux kernel, the following vulnerability has been resolved:

drm/sun4i: tcon: Drop TCON TOP device reference

of_find_device_by_node() takes a device reference. Drop it after mux configuration succeeds.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from 0305189afb323c1bad2be7fe713d556a9b708003 to 31b54c92a49a2b40fcd59b0c8cf346b0b3fb288b (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to 3eeb8545d5513defe935ce46a9824512f7a2bbd9 (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to b192f08480d63d3f5e46d35c91d4fccd4e703ca7 (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to 4fa22218c2351621d470d2d2ae4f6a2ac39ada94 (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to e6406726ee7f4deb1b9b32c1ad6a147ffd208bec (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to 1ca06d47ac40bdcb63e4e528499bf531c6c3231b (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to ae08a67bca7817e37c16c1ec51bce7f2ff9aaf2c (excl.) affected from 0305189afb323c1bad2be7fe713d556a9b708003 to 8208832a38ff3d2560eb8a77a9d7a2f17d8ebcdc (excl.)

Vendor	Linux
Product	Linux
Versions	Default: affected Version 4.20 is affected unaffected from 0 to 4.20 (excl.) unaffected from 5.10.270 to 5.10.* (incl.) unaffected from 5.15.221 to 5.15.* (incl.) unaffected from 6.1.188 to 6.1.* (incl.) unaffected from 6.6.157 to 6.6.* (incl.) unaffected from 6.12.110 to 6.12.* (incl.) unaffected from 6.18.52 to 6.18.* (incl.) unaffected from 7.2.6 to 7.2.* (incl.) unaffected from 7.3-rc1 to * (incl.)