firecracker Releases

This release focuses on correcting data reporting and handling logic within the virtio-block device driver to ensure accurate memory usage tracking and safe handling of edge cases.

Feb 1, 2021

A stability fix addressing a specific validation bug in the virtio-block descriptor address logic that could potentially lead to incorrect memory access checks.

Jan 15, 2021

A maintenance release re-releasing the fix for the virtio-block descriptor address validation issue found in v0.24.0 to ensure stability across the branch.

Jan 14, 2021

Addresses the same validation bug found in earlier versions to ensure consistent behavior of the virtio-block descriptor address validation logic.

Jan 13, 2021

A significant feature release introducing snapshot capabilities, including incremental snapshots and aarch64 support, alongside new device support and API improvements.

Dec 23, 2020

A maintenance release correcting a serialization issue in the YAML file definition for InstanceInfo to ensure configuration files are parsed correctly.

Nov 23, 2020

Addresses the same serialization issue found in v0.23.1 to ensure consistency in how InstanceInfo is defined in YAML files across different versions.

Nov 23, 2020

Introduces General Availability support for AMD CPUs and Developer Preview snapshot functionality, along with extensive new metrics and API endpoints for state management.

Oct 27, 2020

A minor release adjusting the serial device buffer constraints to prevent potential resource exhaustion by limiting the buffer size.

Oct 14, 2020

This release addresses a specific issue with the serial device buffer size, limiting it to 64 bytes to prevent potential overflow or excessive memory usage.

Oct 14, 2020

A major feature release introducing enhanced metrics configuration, MMDS improvements, and improved logging capabilities, alongside several bug fixes and behavioral changes to API endpoints.

Aug 5, 2020

This release fixes a network performance issue where ingress UDP traffic would block when using very large buffers.

Aug 4, 2020

This release fixes a network performance issue where ingress UDP traffic would block when using very large buffers.

Aug 4, 2020

This release adds version information flags to the Firecracker and Jailer executables to facilitate debugging and version verification.

Mar 6, 2020

This release introduces support for booting from an initial RAM disk and improves stability, logging, and binary size, while removing deprecated configuration options.

Feb 19, 2020

This release adds GICv2 support for AArch64 architectures and addresses multiple security vulnerabilities and stability issues.

Dec 18, 2019

This release fixes a critical security vulnerability (CVE-2019-18960) related to bounds checking in vsock virtio descriptors.

Dec 9, 2019

This release fixes a critical security vulnerability (CVE-2019-18960) related to bounds checking in vsock virtio descriptors.

Dec 9, 2019

This release introduces configuration options to disable the API server and allows passing arguments to Firecracker via the jailer, along with stability improvements and API naming corrections.

Oct 14, 2019

Introduces virtio-vsock support using Unix domain sockets, fixes several bugs including high CPU usage before network interface is up, incorrect log dates, and seccomp filter issues, and removes experimental vhost-based vsock support.

Sep 4, 2019