Security Advisory
CVE-2025-40331
N/A
UNKNOWN
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
sctp: Prevent TOCTOU out-of-bounds write
For the following path not holding the sock lock,
sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump()
make sure not to exceed bounds in case the address list has grown
between buffer allocation (time-of-check) and write (time-of-use).
Published Date
December 9, 2025
Official Source
NIST NVD Advisory