CVE-2024-26926 binder: check offset alignment in binder_get_object()

In the Linux kernel, the following vulnerability has been resolved: binder: check offset alignment in bindergetobject Commit 6d98eb95b450 "binder: avoid potential data leakage when copying txn" introduced changes to how binder objects are copied. In doing so, it unintentionally removed an offset...

CVE-2024-26926

CVE-2024-26926 concerns the Linux kernel Binder subsystem. The vulnerability stems from the binder_get_object() path where an explicit offset alignment check was removed during a series of commits that altered how binder objects are copied. The checks performed via binder_alloc_copy_from_buffer()...