char and misc drivers · Supported

Maintainers

• M Arnd Bergmann <arnd@arndb.de>
• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Paths

• F drivers/char/
• F drivers/misc/
• F include/linux/miscdevice.h
• F rust/kernel/miscdevice.rs
• F samples/rust/rust_misc_device.rs
• X drivers/char/agp/
• X drivers/char/hw_random/
• X drivers/char/ipmi/
• X drivers/char/random.c
• X drivers/char/tpm/

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linux-security-module (capped at 30), ordered by date desc.

• COLD27d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• STALE148d [PATCH v2 09/13] mm: update all remaining mmap_prepare users to use vma_flags_t
  2026-01-22 · Lorenzo Stoakes <hidden>
• STALE167d [PATCH RESEND 08/12] mm: update all remaining mmap_prepare users to use vma_flags_t
  2026-01-19 · Lorenzo Stoakes <hidden>
• STALE169d [PATCH 08/12] mm: update all remaining mmap_prepare users to use vma_flags_t
  2026-01-19 · Lorenzo Stoakes <hidden>
• STALE331d LANDED [PATCH v3 01/13] stackleak: Rename STACKLEAK to KSTACK_ERASE
  2025-07-17 · Kees Cook <kees@kernel.org>
• STALE363d [PATCH v2 01/14] stackleak: Rename STACKLEAK to KSTACK_ERASE
  2025-05-23 · Kees Cook <kees@kernel.org>
• STALE420d [PATCH 3/8] stackleak: Rename CONFIG_GCC_PLUGIN_STACKLEAK to CONFIG_STACKLEAK
  2025-05-07 · Kees Cook <kees@kernel.org>
• STALE428d [PATCH RFC 1/4] stackleak: Rename CONFIG_GCC_PLUGIN_STACKLEAK to CONFIG_STACKLEAK
  2025-05-02 · Kees Cook <kees@kernel.org>
• STALE477d REVIEWED: 2 (2M) [PATCH v2 05/11] genwqe: reorder capability check last
  2025-03-02 · Christian Göttsche <hidden>
• STALE525d REVIEWED: 5 (3M) [PATCH v2] treewide: const qualify ctl_tables where applicable
  2025-01-10 · Joel Granados <joel.granados@kernel.org>
• STALE544d [PATCH] treewide: const qualify ctl_tables where applicable
  2025-01-09 · Joel Granados <joel.granados@kernel.org>
• STALE585d [PATCH 05/11] genwqe: reorder capability check last
  2024-11-25 · Christian Göttsche <hidden>
• STALE1057d LANDED [PATCH v4 3/4] list: Introduce CONFIG_LIST_HARDENED
  2023-08-11 · Marco Elver <elver@google.com>
• STALE1111d [PATCH 09/11] sysctl: Remove the end element in sysctl table arrays
  2023-06-21 · Joel Granados <hidden>
• STALE1111d [PATCH 07/11] sysctl: Add size to register_sysctl
  2023-06-21 · Joel Granados <hidden>
• STALE389d Re: [PATCH v3 46/57] perf: Simplify pmu_dev_alloc()
  2023-06-12 · Greg KH <gregkh@linuxfoundation.org>
• STALE1043d [PATCH v2 1/8] ibmvmc: update ctime in conjunction with mtime on write
  2023-06-12 · Jeff Layton <jlayton@kernel.org>
• STALE1098d [PATCH 1/9] ibmvmc: update ctime in conjunction with mtime on write
  2023-06-09 · Jeff Layton <jlayton@kernel.org>
• STALE1317d REVIEWED: 1 (1M) [PATCH mm-unstable v1 19/20] habanalabs: remove FOLL_FORCE usage
  2022-11-16 · David Hildenbrand <hidden>
• STALE1391d [PATCH 3/3] /dev/null: add IORING_OP_URING_CMD support
  2022-08-22 · Paul Moore <paul@paul-moore.com>
• STALE1748d [PATCH v4] lockdown,selinux: fix wrong subject in some SELinux lockdown checks
  2021-09-13 · Ondrej Mosnacek <omosnace@redhat.com>
• STALE1771d [PATCH v3] lockdown,selinux: fix wrong subject in some SELinux lockdown checks
  2021-06-16 · Ondrej Mosnacek <omosnace@redhat.com>
• STALE2086d LANDED [RFC] treewide: cleanup unreachable breaks
  2020-10-17 · trix@redhat.com
• STALE2212d REVIEWED: 19 (19M) [PATCH v5 2/2] mm, treewide: Rename kzfree() to kfree_sensitive()
  2020-06-16 · Waiman Long <longman@redhat.com>
• STALE2211d REVIEWED: 19 (19M) [PATCH v4 2/3] mm, treewide: Rename kzfree() to kfree_sensitive()
  2020-06-16 · Waiman Long <longman@redhat.com>
• STALE2263d [PATCH v2 4/7] libfs: add alloc_anon_inode wrapper
  2020-04-21 · Emanuele Giuseppe Esposito <hidden>
• STALE2263d [PATCH v2 2/7] libfs: wrap simple_pin_fs/simple_release_fs arguments in a struct
  2020-04-21 · Emanuele Giuseppe Esposito <hidden>
• STALE2213d [PATCH 1/2] mm, treewide: Rename kzfree() to kfree_sensitive()
  2020-04-13 · Waiman Long <longman@redhat.com>
• STALE2424d [RFC PATCH 04/11] pipe: Use head and tail pointers for the ring, not cursor and length [ver #3]
  2019-11-01 · David Howells <dhowells@redhat.com>
• STALE2496d REVIEWED: 18 (18M) [PATCH 04/11] General notification queue with user mmap()'able ring buffer [ver #8]
  2019-09-04 · David Howells <dhowells@redhat.com>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE169d [PATCH 08/12] mm: update all remaining mmap_prepare users to use vma_flags_t
  2026-01-19 · Lorenzo Stoakes <hidden>