usb serial subsystem · Maintained

Maintainers

• M Johan Hovold <johan@kernel.org>

Paths

• F Documentation/usb/usb-serial.rst
• F drivers/usb/serial/
• F include/linux/usb/serial.h

Last 30 days

Most active threads (last 7 days)

• WARM1d REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: digi_acceleport: fix write buffer corruption" failed to apply to 5.10-stable tree
  2026-07-19 18:01 · 1 reply in 7d · <gregkh@linuxfoundation.org>
• WARM2d Linux 7.1.4
  2026-07-18 15:01 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM2d Linux 6.18.39
  2026-07-18 15:01 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM2d Linux 6.12.96
  2026-07-18 15:01 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d [PATCH] USB: serial: sierra: fix slab out-of-bounds read in sierra_instat_callback
  2026-07-14 18:11 · 0 replies in 7d · Jay Vadayath <hidden>
• COOLING6d [BUG] USB: serial: sierra: slab-out-of-bounds read in sierra_instat_callback() on short interrupt-IN packet
  2026-07-14 03:37 · 0 replies in 7d · Jay Vadayath <hidden>

Active reviewers (last 30 days)

• Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  2 attestations (2 Reviewed-by) · last on 2026-07-19
• Jay Vadayath <hidden>
  2 attestations (2 Reported-by) · last on 2026-07-14
• Lukas Dresel <hidden>
  1 attestation (1 Reported-by) · last on 2026-07-14

Recent patches

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

• DORMANTno replies REVIEWED: 18 (18M) [PATCH 5.10.y] USB: serial: digi_acceleport: fix write buffer corruption
  2026-07-19 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 7.1.4
  2026-07-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.39
  2026-07-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.96
  2026-07-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d [PATCH] USB: serial: sierra: fix slab out-of-bounds read in sierra_instat_callback
  2026-07-14 · Jay Vadayath <hidden>
• WARM1d REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: digi_acceleport: fix write buffer corruption" failed to apply to 5.10-stable tree
  2026-07-14 · <gregkh@linuxfoundation.org>
• COOLING6d [BUG] USB: serial: sierra: slab-out-of-bounds read in sierra_instat_callback() on short interrupt-IN packet
  2026-07-14 · Jay Vadayath <hidden>
• COOLING7d [PATCH] USB: serial: ftdi_sio: add support for E+H FXA291
  2026-07-11 · Tim Pambor <hidden>
• DORMANTno replies [PATCH] USB: serial: keyspan_pda: fix data loss on receive throttling
  2026-07-08 · Johan Hovold <johan@kernel.org>
• DORMANTno replies [PATCH] USB: serial: keyspan_pda: fix information leak
  2026-06-29 · Johan Hovold <johan@kernel.org>
• COOLING14d [PATCH] fix: drivers/usb/serial: garmin_write_bulk: urb freed prematurely on success path
  2026-06-27 · WenTao Liang <hidden>
• COOLING14d [PATCH] fix: drivers/usb/serial: usb_console_setup: unmatched usb_serial_put on error paths
  2026-06-27 · WenTao Liang <hidden>
• COLD25d [PATCH] USB: serial: digi_acceleport: fix write buffer corruption
  2026-06-23 · Johan Hovold <johan@kernel.org>
• COLD25d [PATCH] USB: serial: digi_acceleport: fix hard lockup on disconnect
  2026-06-23 · Johan Hovold <johan@kernel.org>
• DORMANTno replies [PATCH v2 02/12] USB: serial: digi_acceleport: fix port registration order
  2026-06-23 · Johan Hovold <johan@kernel.org>
• COLD27d [PATCH v2 01/12] USB: serial: digi_acceleport: fix broken rx after throttle
  2026-06-23 · Johan Hovold <johan@kernel.org>
• COLD31d Re: Linux 7.0.13
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.143
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.36
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.94
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD31d Re: Linux 6.1.176
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.210
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.259
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD24d REVIEWED: 18 (18M) [PATCH 5.10 127/342] USB: serial: mct_u232: fix memory corruption with small endpoint
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD24d REVIEWED: 18 (18M) [PATCH 5.10 117/342] USB: serial: digi_acceleport: fix memory corruption with small endpoints
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD24d REVIEWED: 18 (18M) [PATCH 5.10 116/342] USB: serial: cypress_m8: fix memory corruption with small endpoint
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD16d REVIEWED: 18 (18M) [PATCH 5.15 144/411] USB: serial: mct_u232: fix memory corruption with small endpoint
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD16d REVIEWED: 18 (18M) [PATCH 5.15 139/411] USB: serial: digi_acceleport: fix memory corruption with small endpoints
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD16d REVIEWED: 18 (18M) [PATCH 5.15 135/411] USB: serial: cypress_m8: fix memory corruption with small endpoint
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d REVIEWED: 18 (18M) [PATCH 6.1 191/522] USB: serial: mct_u232: fix memory corruption with small endpoint
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COLD44d REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: cypress_m8: fix memory corruption with small" failed to apply to 6.18-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• COLD46d REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: cypress_m8: fix memory corruption with small" failed to apply to 6.12-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• COLD46d REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: cypress_m8: fix memory corruption with small" failed to apply to 6.6-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: cypress_m8: fix memory corruption with small" failed to apply to 5.15-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: cypress_m8: fix memory corruption with small" failed to apply to 6.1-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: cypress_m8: fix memory corruption with small" failed to apply to 5.10-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• COLD44d REVIEWED: 18 (18M) [PATCH 6.18.y] USB: serial: cypress_m8: fix memory corruption with small endpoint
  2026-06-04 · Johan Hovold <johan@kernel.org> · 1 Reviewed-by
• COLD44d REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: digi_acceleport: fix memory corruption with" failed to apply to 6.18-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: digi_acceleport: fix memory corruption with" failed to apply to 6.12-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 18 (18M) FAILED: patch "[PATCH] USB: serial: digi_acceleport: fix memory corruption with" failed to apply to 6.1-stable tree
  2026-06-04 · <gregkh@linuxfoundation.org> · 1 Reviewed-by

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.

• DORMANTno replies Re: Linux 6.12.64
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE190d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.198
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.248
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.67
  2026-01-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.7
  2026-01-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.122
  2026-01-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.249
  2026-02-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.199
  2026-02-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>