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0af5ced4b8
Noticed the following denial in audit.log when shutting down an apparmor confined domain type=AVC msg=audit(1512002299.742:131): apparmor="DENIED" operation="open" profile="libvirt-66154842-e926-4f92-92f0-1c1bf61dd1ff" name="/proc/1475/cmdline" pid=2958 comm="qemu-system-x86" requested_mask="r" denied_mask="r" fsuid=469 ouid=0 Squelch the denial by allowing read access to /proc/<pid>/cmdline.
193 lines
5.5 KiB
Plaintext
193 lines
5.5 KiB
Plaintext
# Last Modified: Wed Sep 3 21:52:03 2014
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#include <abstractions/base>
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#include <abstractions/consoles>
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#include <abstractions/nameservice>
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# required for reading disk images
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capability dac_override,
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capability dac_read_search,
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capability chown,
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# needed to drop privileges
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capability setgid,
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capability setuid,
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network inet stream,
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network inet6 stream,
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ptrace (readby, tracedby) peer=/usr/sbin/libvirtd,
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signal (receive) peer=/usr/sbin/libvirtd,
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/dev/net/tun rw,
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/dev/kvm rw,
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/dev/ptmx rw,
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/dev/kqemu rw,
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@{PROC}/*/status r,
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# When qemu is signaled to terminate, it will read cmdline of signaling
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# process for reporting purposes. Allowing read access to a process
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# cmdline may leak sensitive information embedded in the cmdline.
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@{PROC}/@{pid}/cmdline r,
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# Per man(5) proc, the kernel enforces that a thread may
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# only modify its comm value or those in its thread group.
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owner @{PROC}/@{pid}/task/@{tid}/comm rw,
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@{PROC}/sys/kernel/cap_last_cap r,
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# For hostdev access. The actual devices will be added dynamically
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/sys/bus/usb/devices/ r,
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/sys/devices/**/usb[0-9]*/** r,
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# libusb needs udev data about usb devices (~equal to content of lsusb -v)
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/run/udev/data/c16[6,7]* r,
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/run/udev/data/c18[0,8,9]* r,
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/run/udev/data/+usb* r,
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# WARNING: this gives the guest direct access to host hardware and specific
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# portions of shared memory. This is required for sound using ALSA with kvm,
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# but may constitute a security risk. If your environment does not require
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# the use of sound in your VMs, feel free to comment out or prepend 'deny' to
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# the rules for files in /dev.
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/{dev,run}/shm r,
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/{dev,run}/shmpulse-shm* r,
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/{dev,run}/shmpulse-shm* rwk,
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/dev/snd/* rw,
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capability ipc_lock,
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# spice
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owner /{dev,run}/shm/spice.* rw,
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# 'kill' is not required for sound and is a security risk. Do not enable
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# unless you absolutely need it.
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deny capability kill,
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# Uncomment the following if you need access to /dev/fb*
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#/dev/fb* rw,
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/etc/pulse/client.conf r,
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@{HOME}/.pulse-cookie rwk,
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owner /root/.pulse-cookie rwk,
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owner /root/.pulse/ rw,
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owner /root/.pulse/* rw,
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/usr/share/alsa/** r,
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owner /tmp/pulse-*/ rw,
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owner /tmp/pulse-*/* rw,
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/var/lib/dbus/machine-id r,
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# access to firmware's etc
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/usr/share/kvm/** r,
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/usr/share/qemu/** r,
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/usr/share/qemu-kvm/** r,
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/usr/share/bochs/** r,
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/usr/share/openbios/** r,
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/usr/share/openhackware/** r,
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/usr/share/proll/** r,
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/usr/share/vgabios/** r,
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/usr/share/seabios/** r,
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/usr/share/ovmf/** r,
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/usr/share/OVMF/** r,
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/usr/share/AAVMF/** r,
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/usr/share/qemu-efi/** r,
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/usr/share/slof/** r,
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# access PKI infrastructure
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/etc/pki/libvirt-vnc/** r,
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# the various binaries
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/usr/bin/kvm rmix,
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/usr/bin/qemu rmix,
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/usr/bin/qemu-kvm rmix,
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/usr/bin/qemu-system-aarch64 rmix,
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/usr/bin/qemu-system-alpha rmix,
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/usr/bin/qemu-system-arm rmix,
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/usr/bin/qemu-system-cris rmix,
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/usr/bin/qemu-system-i386 rmix,
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/usr/bin/qemu-system-lm32 rmix,
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/usr/bin/qemu-system-m68k rmix,
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/usr/bin/qemu-system-microblaze rmix,
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/usr/bin/qemu-system-microblazeel rmix,
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/usr/bin/qemu-system-mips rmix,
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/usr/bin/qemu-system-mips64 rmix,
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/usr/bin/qemu-system-mips64el rmix,
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/usr/bin/qemu-system-mipsel rmix,
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/usr/bin/qemu-system-moxie rmix,
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/usr/bin/qemu-system-or32 rmix,
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/usr/bin/qemu-system-ppc rmix,
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/usr/bin/qemu-system-ppc64 rmix,
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/usr/bin/qemu-system-ppcemb rmix,
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/usr/bin/qemu-system-s390x rmix,
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/usr/bin/qemu-system-sh4 rmix,
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/usr/bin/qemu-system-sh4eb rmix,
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/usr/bin/qemu-system-sparc rmix,
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/usr/bin/qemu-system-sparc64 rmix,
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/usr/bin/qemu-system-tricore rmix,
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/usr/bin/qemu-system-unicore32 rmix,
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/usr/bin/qemu-system-x86_64 rmix,
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/usr/bin/qemu-system-xtensa rmix,
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/usr/bin/qemu-system-xtensaeb rmix,
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/usr/bin/qemu-aarch64 rmix,
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/usr/bin/qemu-alpha rmix,
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/usr/bin/qemu-arm rmix,
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/usr/bin/qemu-armeb rmix,
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/usr/bin/qemu-cris rmix,
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/usr/bin/qemu-i386 rmix,
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/usr/bin/qemu-m68k rmix,
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/usr/bin/qemu-microblaze rmix,
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/usr/bin/qemu-microblazeel rmix,
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/usr/bin/qemu-mips rmix,
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/usr/bin/qemu-mips64 rmix,
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/usr/bin/qemu-mips64el rmix,
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/usr/bin/qemu-mipsel rmix,
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/usr/bin/qemu-mipsn32 rmix,
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/usr/bin/qemu-mipsn32el rmix,
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/usr/bin/qemu-nbd rmix,
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/usr/bin/qemu-or32 rmix,
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/usr/bin/qemu-ppc rmix,
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/usr/bin/qemu-ppc64 rmix,
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/usr/bin/qemu-ppc64abi32 rmix,
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/usr/bin/qemu-ppc64le rmix,
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/usr/bin/qemu-s390x rmix,
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/usr/bin/qemu-sh4 rmix,
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/usr/bin/qemu-sh4eb rmix,
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/usr/bin/qemu-sparc rmix,
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/usr/bin/qemu-sparc32plus rmix,
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/usr/bin/qemu-sparc64 rmix,
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/usr/bin/qemu-unicore32 rmix,
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/usr/bin/qemu-x86_64 rmix,
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/usr/{lib,lib64}/qemu/block-curl.so mr,
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/usr/{lib,lib64}/qemu/block-rbd.so mr,
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# for use by libvirt-vnc (LP: #901272)
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/etc/pki/CA/ r,
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/etc/pki/CA/* r,
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/etc/pki/libvirt/ r,
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/etc/pki/libvirt/** r,
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# for save and resume
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/{usr/,}bin/dash rmix,
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/{usr/,}bin/dd rmix,
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/{usr/,}bin/cat rmix,
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# for restore
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/{usr/,}bin/bash rmix,
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# for usb access
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/dev/bus/usb/ r,
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/etc/udev/udev.conf r,
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/sys/bus/ r,
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/sys/class/ r,
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# for rbd
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/etc/ceph/ceph.conf r,
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# for file-posix getting limits since 9103f1ce
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/sys/devices/**/block/*/queue/max_segments r,
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# for ppc device-tree access
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@{PROC}/device-tree/ r,
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@{PROC}/device-tree/** r,
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/sys/firmware/devicetree/** r,
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# for gathering information about available host resources
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/sys/devices/system/cpu/ r,
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/sys/devices/system/node/ r,
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/sys/devices/system/node/node[0-9]*/meminfo r,
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/sys/module/vhost/parameters/max_mem_regions r,
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