CVEvulnerability
CVE-2026-98855
- Status
- Received
- Published
- 2026-10-18
- Last modified
- 2026-10-21
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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.
References
- https://git.kernel.org/stable/c/5857035a3b53a4e7b5a0d5a740189901ece0b079 git.kernel.org
- https://git.kernel.org/stable/c/7dc6a769153c0457077a0da4888a00f61e66de15 git.kernel.org
- https://git.kernel.org/stable/c/814f2da6995772c07a7c9c2cc6028b6e3f3ecc9c git.kernel.org
- https://git.kernel.org/stable/c/936f1ffcb87a1c50938a21176a6463af162cf4b5 git.kernel.org
- https://git.kernel.org/stable/c/d5151496a0a2b19c9c0c7b0ebf86b3de55a8fa3a git.kernel.org