cve/2023/CVE-2023-52616.md

CVE-2023-52616

Description

In the Linux kernel, the following vulnerability has been resolved:crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_initWhen the mpi_ec_ctx structure is initialized, some fields are notcleared, causing a crash when referencing the field when thestructure was released. Initially, this issue was ignored becausememory for mpi_ec_ctx is allocated with the __GFP_ZERO flag.For example, this error will be triggered when calculating theZa value for SM2 separately.

POC

Reference

No PoCs from references.

Github

• https://github.com/NaInSec/CVE-LIST