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qemu/hw/usb
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Thomas Huth effaf5a240 hw/usb/hcd-xhci: Fix unbounded loop in xhci_ring_chain_length() (CVE-2020-14394) 
The loop condition in xhci_ring_chain_length() is under control of
the guest, and additionally the code does not check for failed DMA
transfers (e.g. if reaching the end of the RAM), so the loop there
could run for a very long time or even forever. Fix it by checking
the return value of dma_memory_read() and by introducing a maximum
loop length.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/646
Message-Id: <20220804131300.96368-1-thuth@redhat.com>
Reviewed-by: Mauro Matteo Cascella <mcascell@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-08-16 11:37:19 +02:00
..
bus.c qapi: introduce x-query-usb QMP command 2021-11-02 15:55:14 +00:00
canokey.c hw: canokey: Remove HS support as not compliant to the spec 2022-07-01 12:39:51 +02:00
canokey.h hw/usb: Add CanoKey Implementation 2022-06-14 10:34:36 +02:00
ccid-card-emulated.c modules: introduces module_kconfig directive 2022-06-06 09:26:53 +02:00
ccid-card-passthru.c modules: introduces module_kconfig directive 2022-06-06 09:26:53 +02:00
ccid.h Use OBJECT_DECLARE_TYPE when possible 2020-09-18 14:12:32 -04:00
chipidea.c hw: Do not include qemu/log.h if it is not necessary 2021-05-02 17:24:50 +02:00
combined-packet.c usb: limit combined packets to 1 MiB (CVE-2021-3527) 2021-05-05 15:06:01 +02:00
core.c usb: add pcap support. 2021-01-22 14:51:35 +01:00
desc-msos.c hw/usb: Fix typo in comments and print 2021-09-01 06:37:13 +02:00
desc.c usb: allow max 8192 bytes for desc 2022-01-13 10:22:37 +01:00
desc.h usb: allow max 8192 bytes for desc 2022-01-13 10:22:37 +01:00
dev-audio.c hw/usb: Fix typo in comments and print 2021-09-01 06:37:13 +02:00
dev-hid.c hid: Implement support for side and extra buttons 2022-02-22 17:15:36 +01:00
dev-hub.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
dev-mtp.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
dev-network.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
dev-serial.c usb: remove support for -usbdevice parameters 2021-03-15 17:00:58 +01:00
dev-smartcard-reader.c include: move C/util-related declarations to cutils.h 2022-04-06 14:31:43 +02:00
dev-storage-bot.c scsi: Replace scsi_bus_new() with scsi_bus_init(), scsi_bus_init_named() 2021-09-30 13:42:10 +01:00
dev-storage-classic.c scsi: Replace scsi_bus_new() with scsi_bus_init(), scsi_bus_init_named() 2021-09-30 13:42:10 +01:00
dev-storage.c usb/storage: clear csw on reset 2021-03-15 17:01:17 +01:00
dev-uas.c uas: add missing return 2022-01-13 10:58:05 +01:00
dev-wacom.c hw/usb/dev-wacom: add missing HID descriptor 2022-01-13 10:22:00 +01:00
hcd-dwc2.c dma: Let dma_memory_read/write() take MemTxAttrs argument 2021-12-30 17:16:32 +01:00
hcd-dwc2.h Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
hcd-dwc3.c hw: Do not include qemu/log.h if it is not necessary 2021-05-02 17:24:50 +02:00
hcd-ehci-pci.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
hcd-ehci-sysbus.c hw/usb/hcd-ehci-sysbus: Free USBPacket on instance finalize() 2021-03-26 09:14:48 +01:00
hcd-ehci.c hw/usb/hcd-ehci: fix writeback order 2022-06-14 10:34:36 +02:00
hcd-ehci.h hw/arm/npcm7xx: Add EHCI and OHCI controllers 2020-10-27 11:10:21 +00:00
hcd-musb.c exec/cpu-common: Move MUSB specific typedefs to 'hw/usb/hcd-musb.h' 2020-06-12 11:20:15 -04:00
hcd-ohci-pci.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
hcd-ohci.c usb/ohci: Don't use packet from OHCIState for isochronous transfers 2022-03-04 09:34:21 +01:00
hcd-ohci.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
hcd-uhci.c usb/uhci: Replace pci_set_irq with qemu_set_irq 2021-11-02 14:32:32 +01:00
hcd-uhci.h usb/uhci: Replace pci_set_irq with qemu_set_irq 2021-11-02 14:32:32 +01:00
hcd-xhci-nec.c usb: Fix Lesser GPL version number 2020-11-15 16:40:48 +01:00
hcd-xhci-pci.c hw/usb: hcd-xhci-pci: Fix spec violation of IP flag for MSI/MSI-X 2021-05-28 09:10:20 +02:00
hcd-xhci-pci.h usb: Fix Lesser GPL version number 2020-11-15 16:40:48 +01:00
hcd-xhci-sysbus.c hw/usb: hcd-xhci-pci: Fix spec violation of IP flag for MSI/MSI-X 2021-05-28 09:10:20 +02:00
hcd-xhci-sysbus.h usb/xhci: add include/hw/usb/xhci.h header file 2020-10-21 11:36:19 +02:00
hcd-xhci.c hw/usb/hcd-xhci: Fix unbounded loop in xhci_ring_chain_length() (CVE-2020-14394) 2022-08-16 11:37:19 +02:00
hcd-xhci.h hw/usb: hcd-xhci-pci: Fix spec violation of IP flag for MSI/MSI-X 2021-05-28 09:10:20 +02:00
host-libusb.c modules: introduces module_kconfig directive 2022-06-06 09:26:53 +02:00
host.h usb-host: move legacy cmd line bits 2013-02-19 12:30:05 +01:00
imx-usb-phy.c hw: Do not include qemu/log.h if it is not necessary 2021-05-02 17:24:50 +02:00
Kconfig meson: Add CanoKey 2022-06-14 10:34:36 +02:00
libhw.c dma: Let dma_memory_map() take MemTxAttrs argument 2021-12-30 17:16:32 +01:00
meson.build meson: Add CanoKey 2022-06-14 10:34:36 +02:00
pcap.c usb/pcap: set flag_setup 2021-02-17 14:29:12 +01:00
quirks-ftdi-ids.h hw/usb: Fix typo in comments and print 2021-09-01 06:37:13 +02:00
quirks-pl2303-ids.h usbredir: Add support for buffered bulk input (v2) 2013-01-08 10:56:58 +01:00
quirks.c hw/usb/quirks: Use smaller types to reduce .rodata by 10KiB 2020-03-16 23:02:25 +01:00
quirks.h Drop the deprecated lm32 target 2021-05-12 18:20:25 +02:00
redirect.c usbredir: avoid queuing hello packet on snapshot restore 2022-06-14 10:34:36 +02:00
trace-events hw/usb/canokey: Add trace events 2022-06-14 10:34:36 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
tusb6010.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
u2f-emulated.c hw/usb: Fix typo in comments and print 2021-09-01 06:37:13 +02:00
u2f-passthru.c u2f-passthru: put it into the 'misc' category 2021-02-20 12:36:19 +01:00
u2f.c usb: remove '-usbdevice u2f-key' 2021-03-15 17:00:58 +01:00
u2f.h misc: fix commonly doubled up words 2022-08-01 11:58:02 +02:00
vt82c686-uhci-pci.c hw/usb/vt82c686-uhci-pci: Use ISA instead of PCI interrupts 2021-11-02 14:32:32 +01:00
xen-usb.c hw: Do not include hw/sysbus.h if it is not necessary 2021-05-02 17:24:50 +02:00
xlnx-usb-subsystem.c hw: Do not include qemu/log.h if it is not necessary 2021-05-02 17:24:50 +02:00
xlnx-versal-usb2-ctrl-regs.c hw: Do not include qemu/log.h if it is not necessary 2021-05-02 17:24:50 +02:00