build: Release v51.2

Signed-off-by: Bo Chen <bchen@crusoe.ai>

Cargo.lock

@@ -427,7 +427,7 @@ checksum = "3a822ea5bc7590f9d40f1ba12c0dc3c2760f3482c6984db1573ad11031420831"
 
 [[package]]
 name = "cloud-hypervisor"
-version = "51.1.0"
+version = "51.2.0"
 dependencies = [
  "anyhow",
  "api_client",

cloud-hypervisor/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2024"
 homepage = "https://github.com/cloud-hypervisor/cloud-hypervisor"
 license = "Apache-2.0 AND BSD-3-Clause"
 name = "cloud-hypervisor"
-version = "51.1.0"
+version = "51.2.0"
 # Minimum buildable version:
 # Keep in sync with version in .github/workflows/build.yaml
 # Policy on MSRV (see #4318):

release-notes.md

@@ -1,3 +1,4 @@
+- [v51.2](#v512)
 - [v51.1](#v511)
 - [v51.0](#v510)
     - [Security Fixes](#security-fixes)
@@ -419,6 +420,12 @@
     - [Unit testing](#unit-testing)
     - [Integration tests parallelization](#integration-tests-parallelization)
 
+# v51.2
+
+This is a point release containing security fixes to a use-after-free
+vulnerability in the `virtio-block` async I/O completion path
+(#8220). Details can be found in GHSA-f47p-p25q-83rh (CVE-2026-45782).
+
 # v51.1
 
 This is a bug fix release. The following issues have been addressed: