Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/mlx5: Fixed an implicit ODP hang during parent deregistration. Fixed the destroyunusedimplicitchildmr function to prevent a hang during parent deregistration as described in 1. When entering destroyunusedimplicitchildmr,...

CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

SUSE CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

DEBIAN-CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

UBUNTU-CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

CVE-2025-21886

CVE-2025-21886 summary (Linux kernel) This vulnerability affects the mlx5 RDMA path. The issue is related to implicit MR management during deregistration: on entering destroy_unused_implicit_child_mr(), the parent implicit MR’s refcount is incremented with refcount_inc_not_zero(), but a correspon...

CVE-2025-21886 RDMA/mlx5: Fix implicit ODP hang on parent deregistration

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...