Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1579918 Title: Smart Card Reader BCM 5880 with kernel 4.2 Status in linux package in Ubuntu: Confirmed Bug description: Native to Ubuntu 14.04 and 16.04 (kernel 4.2.0) on Dell Precision 7510 with Broadcom 5880 (internal card reader). Card reads successfully from SCRx31 USB reader (external). Card also works on kernel 3.13.0 (Dell Latitude E6430, 14.04) with same Broadcom 5880 reader. snippet from syslog: May 1 19:06:41 m-Precision pcscd: eventhandler.c:313:EHStatusHandlerThread() Error communicating to: Broadcom Corp 5880 [Contacted SmartCard] (0123456789ABCD) 00 00 May 1 19:06:46 m-Precision kernel: [15276.197331] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision kernel: [15276.426405] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision kernel: [15276.442649] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision kernel: [15276.465888] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision pcscd: commands.c:1456:CCID_Receive() Can't read all data (54 out of 92 expected) May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:214:t1_transceive() fatal: transmit/receive failed May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:47 m-Precision pcscd: ccid_usb.c:790:ReadUSB() read failed (1/2): -8 Resource temporarily unavailable May 1 19:06:47 m-Precision pcscd: ifdwrapper.c:348:IFDStatusICC() Card not transacted: 612 May 1 19:06:47 m-Precision pcscd: eventhandler.c:313:EHStatusHandlerThread() Error communicating to: Broadcom Corp 5880 [Contacted SmartCard] (0123456789ABCD) 00 00 May 1 19:06:52 m-Precision kernel: [15281.960976] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? The above cycles on syslog roughly every second until card is removed. pcsc_scan shows card as alternating between successfully read to card reader not available, also on the roughly 1 sec interval. --- ApportVersion: 2.14.1-0ubuntu3.20 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: grumpy 2207 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 EcryptfsInUse: Yes InstallationDate: Installed on 2016-05-21 (0 days ago) InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 1bcf:28b8 Sunplus Innovation Technology Inc. Bus 001 Device 002: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications Processor Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. Precision 7510 Package: linux (not installed) ProcFB: 0 inteldrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-36-generic.efi.signed root=UUID=62ed5a52-92de-456c-8a4b-433666572702 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.2.0-36.42~14.04.1-generic 4.2.8-ckt8 RelatedPackageVersions: linux-restricted-modules-4.2.0-36-generic N/A linux-backports-modules-4.2.0-36-generic N/A linux-firmware 1.127.22 Tags: trusty Uname: Linux 4.2.0-36-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 04/28/2016 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.4.14 dmi.board.name: 0RJHDG dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.4.14:bd04/28/2016:svnDellInc.:pnPrecision7510:pvr:rvnDellInc.:rn0RJHDG:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Precision 7510 dmi.sys.vendor: Dell Inc. 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