linux-msft-wsl-5.15.90.3

This is an updated release of the currently used 5.15.90 WSL2 kernel to include fixes. Notable changes are:

• Release rolling-lts/wsl/5.15.90.3
• Include memcg interface
• Enable Asynchronous SCSI scanning (SCSI_SCAN_ASYNC)
• Microsoft/{config-wsl/config-wsl-arm64} updated to symlinks
• Update dxgkrnl virtual compute device driver

linux-msft-wsl-6.1.21.2

• Updated Initial release of the WSL2 kernel based on the v6.1 kernel series
• Release rolling-lts/wsl/6.1.21.2
• Update to stable kernel version v6.1.21
• Out-of-tree vpci patches now included from upstream
• Out-of-tree vsock patches now included from upstream
• Enable anonymous VMA name support (ANON_VMA_NAME)
• Enable use nosuid,noexec mount options on devtmpfs (DEVTMPFS_SAFE)
• Enable register zeroing on function exit (ZERO_CALL_USED_REGS)
• Enable check for invalid mappings in user page tables (PAGE_TABLE_CHECK)
• Enable Kernel Function Probe (FPROBE)
• Enable auditing support (AUDIT)
• Microsoft/{config-wsl/config-wsl-arm64} changed to symlinks
• Includes amd64 nested virtualization in Hyper-V fixes

linux-msft-wsl-6.1.21.1

• Initial release of the WSL2 kernel based on the v6.1 kernel series
• Release rolling-lts/wsl/6.1.21.1
• Update to stable kernel version v6.1.21
• Out-of-tree vpci patches now included from upstream
• Out-of-tree vsock patches now included from upstream
• Enable anonymous VMA name support (ANON_VMA_NAME)
• Enable use nosuid,noexec mount options on devtmpfs (DEVTMPFS_SAFE)
• Enable register zeroing on function exit (ZERO_CALL_USED_REGS)
• Enable check for invalid mappings in user page tables (PAGE_TABLE_CHECK)
• Enable Kernel Function Probe (FPROBE)

linux-msft-wsl-5.15.90.1

• Release rolling-lts/wsl/5.15.90.1
• Update to stable kernel version v5.15.90
• Update x86 and arm64 config files under arch/

linux-msft-wsl-5.15.83.1

• Release rolling-lts/wsl/5.15.83.1
• Update to stable kernel version v5.15.83
• enable CONFIG_TIME_NS enabled on x86 and arm64
• disable CONFIG_DEFERRED_STRUCT_PAGE_INIT on arm64

linux-msft-wsl-5.15.79.1

• Release rolling-lts/wsl/5.15.79.1
• Update to stable kernel version v5.15.79
• Add cold hint discard patches through new feature branch feature/page-reporting/5.15

linux-msft-wsl-5.15.74.2

• Release rolling-lts/wsl/5.15.74.2
• Update to stable kernel version v5.15.74
• Enable the limit option (CONFIG_NETFILTER_XT_MATCH_LIMIT) for iptables
• Include fix for hvsocket read() hang through new branch fix/vsock/5.15

linux-msft-wsl-5.15.68.1

• Release rolling-lts/wsl/5.15.68.1
• Update to stable kernel version v5.15.68
• Update location of config branch configs/wsl to config/wsl for naming consistency
• Include Mandatory Microsoft file SECURITY.md through new product branch product/wsl/security/5.15

linux-msft-wsl-5.15.62.1

• Release rolling-lts/wsl/5.15.62.1
• Update to stable kernel version v5.15.62
• Re-enable support for the Ceph Distributed File System
• Enable EROFS (Enhanced Read-Only File System)
• configs/wsl topic branch picked up (not currently in use)
• dxgkrnl driver branch refreshed with a large number of fixes and upstream feedback revisions
• Hyper-V vPCI merge conflicts fixed for newer stable kernel releases
• Out-of-tree Hyper-V vPCI regression fix merged while waiting for upstream inclusion
• Addressed vulnerability assigned to CVE-2022-38014 in this release.

linux-msft-wsl-5.15.57.1

• Initial release of the WSL2 kernel based on the v5.15 kernel series
• Release rolling-lts/wsl/5.15.57.1
• Update to stable kernel version v5.15.57
• Enable Retbleed mitigations in x86_64 builds
• Enable nftables and traffic control
• Enable VGEM driver
• Fix 9p filesystem regressions since the last v5.10 WSL2 kernel
• Enable support for the Precision Time Protocol (PTP) clock device
• Enable the Landlock Linux Security Module (LSM)
  • https://landlock.io/
• Enable the Miscellaneous Control Group (CGroup)
  • https://www.kernel.org/doc/html/v5.15/admin-guide/cgroup-v2.html#misc
• Disable support for the Ceph Distributed File System