CVE-2026-98855 - of/overlay: put property on deadprops only after changeset add succeeds

CVE-2026-98855 - of/overlay: put property on deadprops only after changeset add succeeds

https://cvefeed.io/rssfeed/latest.atom / Sun, 10/18/2026 - 19:53
CVE ID :CVE-2026-98855
Published : Oct. 18, 2026, 4:17 p.m. | 1 hour, 32 minutes ago
Description :In the Linux kernel, the following vulnerability has been resolved: of/overlay: put property on deadprops only after changeset add succeeds add_changeset_property() links a new property of a not-yet-live target node into the node's deadprops list before handing it to of_changeset_add_property(). If that fails, the error path frees the property but leaves the freed pointer linked in deadprops, and of_node_release() frees it a second time when the aborted overlay's node is released. Record the changeset entry first and link the property into deadprops only on success. of_changeset_add_property() never looks at the node's property lists, so the order of the two steps is otherwise immaterial, and the error path frees a property that nothing references.
Severity: 0.0 | NA
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