fast processor emulator
Other versions of "qemu" in Bionic
Packages in group
Deleted packages are displayed in grey.
qemu (1:2.11+dfsg-1ubuntu7.40) bionic-security; urgency=medium
* SECURITY UPDATE: heap overflow in floppy disk emulator
- debian/patches/CVE-2021-3507.patch: prevent end-of-track overrun in
* SECURITY UPDATE: integer overflow in QXL display device emulation
- debian/patches/CVE-2021-4206.patch: check width and height in
hw/display/qxl-render.c, hw/display/vmware_vga.c, ui/cursor.c.
* SECURITY UPDATE: heap overflow in QXL display device emulation
- debian/patches/CVE-2021-4207.patch: fix race condition in qxl_cursor
* SECURITY UPDATE: memory leakage in virtio-net device
- debian/patches/CVE-2022-26353.patch: fix map leaking on error during
receive in hw/net/virtio-net.c.
* SECURITY UPDATE: memory leakage in vhost-vsock device
- debian/patches/CVE-2022-26354.patch: detach the virqueue element in
case of error in hw/virtio/vhost-vsock.c.
-- Marc Deslauriers <email address hidden> Thu, 09 Jun 2022 11:37:25 -0400
|Source diff to previous version|
||A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block
||A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a smal
||A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor->header.width` and `cursor->header.he
||A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the c
||A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memor
qemu (1:2.11+dfsg-1ubuntu7.39) bionic-security; urgency=medium
* SECURITY UPDATE: crash or code exec in USB redirector device emulation
- debian/patches/CVE-2021-3682.patch: fix free call in
* SECURITY UPDATE: heap use-after-free in virtio_net_receive_rcu
- debian/patches/CVE-2021-3748.patch: fix use after unmap/free for sg
* SECURITY UPDATE: off-by-one error in mode_sense_page()
- debian/patches/CVE-2021-3930.patch: MODE_PAGE_ALLS not allowed in
MODE SELECT commands in hw/scsi/scsi-disk.c.
* SECURITY UPDATE: NULL dereference in floppy disk emulator
- debian/patches/CVE-2021-20196-1.patch: Extract
blk_create_empty_drive() in hw/block/fdc.c.
- debian/patches/CVE-2021-20196-2.patch: kludge missing floppy drive in
* SECURITY UPDATE: integer overflow in vmxnet3 NIC emulator
- debian/patches/CVE-2021-20203.patch: validate configuration values
during activate in hw/net/vmxnet3.c.
-- Marc Deslauriers <email address hidden> Wed, 23 Feb 2022 07:35:04 -0500
|Source diff to previous version|
||A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfe
||virtio-net: heap use-after-free in virtio_net_receive_rcu
||An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the
||A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the s
||An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid
qemu (1:2.11+dfsg-1ubuntu7.38) bionic; urgency=medium
* enhance loading of old modules post upgrade (LP: #1913421)
- d/qemu-block-extra.prerm.in: clear all (current and former) modules
- d/qemu-block-extra.prerm.in: test for exec and prepare /var/run/qemu
-- Christian Ehrhardt <email address hidden> Thu, 19 Aug 2021 14:30:25 +0200
|Source diff to previous version|
||Load of pre-upgrade qemu modules needs to avoid noexec
qemu (1:2.11+dfsg-1ubuntu7.37) bionic-security; urgency=medium
* SECURITY UPDATE: NULL pointer dereference in MemoryRegionOps object
- debian/patches/CVE-2020-15469-1.patch: add pci-intack write method in
- debian/patches/CVE-2020-15469-3.patch: add quirk device write method
- debian/patches/CVE-2020-15469-4.patch: add ppc-parity write method in
- debian/patches/CVE-2020-15469-6.patch: add spapr msi read method in
* SECURITY UPDATE: NULL pointer dereference flaw in SCSI emulation
- debian/patches/CVE-2020-35504.patch: always check current_req is not
NULL before use in DMA callbacks in hw/scsi/esp.c.
* SECURITY UPDATE: NULL pointer dereference flaw in am53c974 SCSI
- debian/patches/CVE-2020-35505.patch: ensure cmdfifo is not empty and
current_dev is non-NULL in hw/scsi/esp.c.
* SECURITY UPDATE: use-after-free flaw was found in the MegaRAID emulator
- debian/patches/CVE-2021-3392.patch: Remove unused MPTSASState pending
field in hw/scsi/mptsas.c, hw/scsi/mptsas.h.
* SECURITY UPDATE: out-of-bounds read/write in SDHCI controller emulation
- debian/patches/CVE-2021-3409-1.patch: don't transfer any data when
command time out in hw/sd/sdhci.c.
- debian/patches/CVE-2021-3409-2.patch: don't write to SDHC_SYSAD
register when transfer is in progress in hw/sd/sdhci.c.
- debian/patches/CVE-2021-3409-3.patch: correctly set the controller
status for ADMA in hw/sd/sdhci.c.
- debian/patches/CVE-2021-3409-4.patch: limit block size only when
SDHC_BLKSIZE register is writable in hw/sd/sdhci.c.
- debian/patches/CVE-2021-3409-5.patch: reset the data pointer of
s->fifo_buffer when a different block size is programmed in
* SECURITY UPDATE: stack overflow via infinite loop issue in various NIC
- debian/patches/CVE-2021-3416-1.patch: introduce qemu_receive_packet()
in include/net/net.h, include/net/queue.h, net/net.c, net/queue.c.
- debian/patches/CVE-2021-3416-2.patch: switch to use
qemu_receive_packet() for loopback in hw/net/e1000.c.
- debian/patches/CVE-2021-3416-3.patch: switch to use
qemu_receive_packet() for loopback packet in hw/net/dp8393x.c.
- debian/patches/CVE-2021-3416-5.patch: switch to use
qemu_receive_packet() for loopback in hw/net/sungem.c.
- debian/patches/CVE-2021-3416-6.patch: switch to use
qemu_receive_packet_iov() for loopback in hw/net/net_tx_pkt.c.
- debian/patches/CVE-2021-3416-7.patch: switch to use
qemu_receive_packet() for loopback in hw/net/rtl8139.c.
- debian/patches/CVE-2021-3416-8.patch: switch to use
qemu_receive_packet() for loopback in hw/net/pcnet.c.
- debian/patches/CVE-2021-3416-9.patch: switch to use
qemu_receive_packet() for loopback in hw/net/cadence_gem.c.
- debian/patches/CVE-2021-3416-10.patch: switch to use
qemu_receive_packet() for loopback in hw/net/lan9118.c.
* SECURITY UPDATE: DoS in USB redirector device
- debian/patches/CVE-2021-3527-1.patch: avoid dynamic stack allocation
- debian/patches/CVE-2021-3527-2.patch: limit combined packets to 1 MiB
* SECURITY UPDATE: out-of-bounds access issue in ARM Generic Interrupt
- debian/patches/CVE-2021-20221.patch: fix interrupt ID in GICD_SGIR
register in hw/intc/arm_gic.c.
* SECURITY UPDATE: infinite loop while processing transmit descriptors
- debian/patches/CVE-2021-20257.patch: fail early for evil descriptor
* SECURITY UPDATE: data leak in bootp_input()
- debian/patches/CVE-2021-3592-pre1.patch: add sanity check for str
option length to slirp/bootp.c.
- debian/patches/CVE-2021-3592-1.patch: add mtod_check() to
- debian/patches/CVE-2021-3592-2.patch: limit vendor-specific area to
input packet memory buffer in slirp/bootp.*, slirp/mbuf.*.
- debian/patches/CVE-2021-3592-3.patch: check bootp_input buffer size
- debian/patches/CVE-2021-3592-4.patch: fix regression in dhcp in
* SECURITY UPDATE: data leak in udp6_input()
- debian/patches/CVE-2021-3593.patch: check udp6_input buffer size in
* SECURITY UPDATE: data leak in udp_input()
- debian/patches/CVE-2021-3594.patch: check upd_input buffer size in
* SECURITY UPDATE: data leak in tftp_input()
- debian/patches/CVE-2021-3595-1.patch: check tftp_input buffer size in
- debian/patches/CVE-2021-3595-2.patch: introduce a header structure in
-- Marc Deslauriers <email address hidden> Tue, 13 Jul 2021 07:51:34 -0400
|Source diff to previous version|
||In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.
||A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to
||A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while h
||A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas
||The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues pr
||A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs
||A flaw was found in the USB redirector device (usb-redir) of QEMU. Small USB packets are combined into a single, large transfer request, to reduce th
||An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64
||net: e1000: infinite loop while processing transmit descriptors
||An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and c
||An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and co
||An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and cou
||An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and co
qemu (1:2.11+dfsg-1ubuntu7.36) bionic-security; urgency=medium
* SECURITY REGRESSION: fix multiple regressions caused by CVE-2020-13754
security update (LP: #1914883)
- debian/patches/CVE-2020-13754-3.patch: log invalid memory accesses in
- debian/patches/CVE-2020-13754-5.patch: allow 64-bit accesses in
- debian/patches/CVE-2020-13754-6.patch: allow less than 32-bit
accesses in hw/char/bcm2835_aux.c.
- debian/patches/CVE-2020-13754-9.patch: fix valid.max_access_size to
access address registers in hw/usb/hcd-xhci.c.
-- Marc Deslauriers <email address hidden> Wed, 10 Feb 2021 08:37:38 -0500
||hart0: trap handler failed (error -2) (Needs cherry-pick ab3d207f)
||hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
Send Feedback to @ubuntu_updates