Package "qemu-system-x86"
| Name: |
qemu-system-x86
|
Description: |
QEMU full system emulation binaries (x86)
|
| Latest version: |
1:4.2-3ubuntu6.30 |
| Release: |
focal (20.04) |
| Level: |
security |
| Repository: |
main |
| Head package: |
qemu |
| Homepage: |
http://www.qemu.org/ |
Links
Download "qemu-system-x86"
Other versions of "qemu-system-x86" in Focal
Changelog
|
qemu (1:4.2-3ubuntu6.23) focal-security; urgency=medium
* SECURITY UPDATE: heap overflow in floppy disk emulator
- debian/patches/CVE-2021-3507.patch: prevent end-of-track overrun in
hw/block/fdc.c.
- CVE-2021-3507
* 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.
- CVE-2021-4206
* SECURITY UPDATE: heap overflow in QXL display device emulation
- debian/patches/CVE-2021-4207.patch: fix race condition in qxl_cursor
in hw/display/qxl-render.c.
- CVE-2021-4207
* 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.
- CVE-2022-26353
* 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.
- CVE-2022-26354
-- Marc Deslauriers <email address hidden> Thu, 09 Jun 2022 11:35:04 -0400
|
| Source diff to previous version |
| CVE-2021-3507 |
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 |
| CVE-2021-4206 |
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 |
| CVE-2021-4207 |
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 |
| CVE-2022-26353 |
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 |
| CVE-2022-26354 |
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 (1:4.2-3ubuntu6.21) focal-security; urgency=medium
* SECURITY UPDATE: crash or code exec in USB redirector device emulation
- debian/patches/CVE-2021-3682.patch: fix free call in
hw/usb/redirect.c.
- CVE-2021-3682
* SECURITY UPDATE: heap use-after-free in virtio_net_receive_rcu
- debian/patches/CVE-2021-3748.patch: fix use after unmap/free for sg
in hw/net/virtio-net.c.
- CVE-2021-3748
* 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.
- CVE-2021-3930
* 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
hw/block/fdc.c.
- CVE-2021-20196
* SECURITY UPDATE: integer overflow in vmxnet3 NIC emulator
- debian/patches/CVE-2021-20203.patch: validate configuration values
during activate in hw/net/vmxnet3.c.
- CVE-2021-20203
-- Marc Deslauriers <email address hidden> Tue, 22 Feb 2022 12:44:44 -0500
|
| Source diff to previous version |
| CVE-2021-3682 |
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 |
| CVE-2021-3748 |
virtio-net: heap use-after-free in virtio_net_receive_rcu |
| CVE-2021-3930 |
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 |
| CVE-2021-20196 |
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 |
| CVE-2021-20203 |
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 (1:4.2-3ubuntu6.17) focal-security; urgency=medium
* SECURITY UPDATE: NULL pointer dereference in MemoryRegionOps object
- debian/patches/CVE-2020-15469-1.patch: add pci-intack write method in
hw/pci-host/prep.c.
- debian/patches/CVE-2020-15469-2.patch: add pcie-msi read method in
hw/pci-host/designware.c.
- debian/patches/CVE-2020-15469-3.patch: add quirk device write method
in hw/vfio/pci-quirks.c.
- debian/patches/CVE-2020-15469-4.patch: add ppc-parity write method in
hw/ppc/prep_systemio.c.
- debian/patches/CVE-2020-15469-5.patch: add nrf51_soc flash read
method in hw/nvram/nrf51_nvm.c.
- debian/patches/CVE-2020-15469-6.patch: add spapr msi read method in
hw/ppc/spapr_pci.c.
- debian/patches/CVE-2020-15469-7.patch: add dummy read/write methods
in hw/misc/tz-ppc.c.
- debian/patches/CVE-2020-15469-8.patch: add digprog mmio write method
in hw/misc/imx7_ccm.c.
- CVE-2020-15469
* 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.
- CVE-2020-35504
* 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.
- CVE-2020-35505
* 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.
- CVE-2021-3392
* 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
hw/sd/sdhci.c.
- CVE-2021-3409
* 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.
- CVE-2021-3416
* SECURITY UPDATE: DoS in USB redirector device
- debian/patches/CVE-2021-3527-1.patch: avoid dynamic stack allocation
in hw/usb/redirect.c.
- debian/patches/CVE-2021-3527-2.patch: limit combined packets to 1 MiB
in hw/usb/combined-packet.c.
- CVE-2021-3527
* SECURITY UPDATE: multiple issues in virtio vhost-user GPU device
- debian/patches/CVE-2021-3544-1.patch: fix memory disclosure in
contrib/vhost-user-gpu/virgl.c.
- debian/patches/CVE-2021-3544-2.patch: fix resource leak in
contrib/vhost-user-gpu/vhost-user-gpu.c.
- debian/patches/CVE-2021-3544-3.patch: fix memory leak in
contrib/vhost-user-gpu/vhost-user-gpu.c.
- debian/patches/CVE-2021-3544-4.patch: fix memory leak in
contrib/vhost-user-gpu/vhost-user-gpu.c.
- debian/patches/CVE-2021-3544-5.patch: fix memory leak in
contrib/vhost-user-gpu/virgl.c.
- debian/patches/CVE-2021-3544-6.patch: fix memory leak in
contrib/vhost-user-gpu/virgl.c.
- debian/patches/CVE-2021-3544-7.patch: fix OOB write in
contrib/vhost-user-gpu/virgl.c.
- debian/patches/CVE-2021-3544-8.patch: abstract vg_cleanup_mapping_iov
in contrib/vhost-user-gpu/vhost-user-gpu.c,
contrib/vhost-user-gpu/virgl.c, contrib/vhost-user-gpu/vugpu.h.
- CVE-2021-3544
- CVE-2021-3545
- CVE-2021-3546
* SECURITY UPDATE: mremap overflow in the pvrdma device
- debian/patches/CVE-2021-3582.patch: check lengths in
hw/rdma/vmw/pvrdma_cmd.c.
- CVE-2021-3582
* SECURITY UPDATE: integer overflow in pvrdma device
- debian/patches/CVE-2021-3607.patch: ensure correct input on ring init
in hw/rdma/vmw/pvrdma_main.c.
- CVE-2021-3607
* SECURITY UPDATE: uninitialized memory unmap in pvrdma device
- debian/patches/CVE-2021-3608.patch: fix the ring init error flow in
hw/rdma/vmw/pvrdma_dev_ring.c.
- CVE-2021-3608
* SECURITY UPDATE: out-of-bounds access issue in ARM Generic Interrupt
Controller
- debian/patches/CVE-2021-20221.patch: fix interrupt ID in GICD_SGIR
register in hw/intc/arm_gic.c.
- CVE-2021-20221
* SECURITY UPDATE: infinite loop while processing transmit descriptors
- debian/patches/CVE-2021-20257.patch: fail early for evil descriptor
in hw/net/e1000.c.
- CVE-2021-20257
-- Marc Deslauriers <email address hidden> Mon, 12 Jul 2021 11:03:37 -040
|
| Source diff to previous version |
| CVE-2020-15469 |
In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference. |
| CVE-2020-35504 |
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 |
| CVE-2020-35505 |
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 |
| CVE-2021-3392 |
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 |
| CVE-2021-3409 |
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 |
| CVE-2021-3416 |
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 |
| CVE-2021-3527 |
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 |
| CVE-2021-3544 |
Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contr |
| CVE-2021-3545 |
An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. T |
| CVE-2021-3546 |
A flaw was found in vhost-user-gpu of QEMU in versions up to and including 6.0. An out-of-bounds write vulnerability can allow a malicious guest to c |
| CVE-2021-3582 |
hw/rdma: Fix possible mremap overflow in the pvrdma device |
| CVE-2021-3607 |
pvrdma: unchecked malloc size due to integer overflow in init_dev_ring() |
| CVE-2021-3608 |
pvrdma: uninitialized memory unmap in pvrdma_ring_init() |
| CVE-2021-20221 |
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 |
| CVE-2021-20257 |
net: e1000: infinite loop while processing transmit descriptors |
|
|
qemu (1:4.2-3ubuntu6.14) focal-security; urgency=medium
* SECURITY REGRESSION: fix multiple regressions caused by CVE-2020-13754
security update (LP: #1914883)
- debian/patches/ubuntu/CVE-2020-13754-3.patch: log invalid memory
accesses in memory.c.
- debian/patches/ubuntu/CVE-2020-13754-4.patch: allow 16-bit writes to
memory region in hw/riscv/sifive_test.c.
- debian/patches/ubuntu/CVE-2020-13754-5.patch: allow 64-bit accesses
in hw/timer/slavio_timer.c.
- debian/patches/ubuntu/CVE-2020-13754-6.patch: allow less than 32-bit
accesses in hw/char/bcm2835_aux.c.
- debian/patches/ubuntu/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 08:17:08 -0500
|
| Source diff to previous version |
| 1914883 |
hart0: trap handler failed (error -2) (Needs cherry-pick ab3d207f) |
| CVE-2020-13754 |
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. |
|
|
qemu (1:4.2-3ubuntu6.12) focal-security; urgency=medium
* SECURITY UPDATE: heap overread in iscsi_aio_ioctl_cb
- debian/patches/ubuntu/CVE-2020-11947.patch: fix heap-buffer-overflow
in block/iscsi.c.
- CVE-2020-11947
* SECURITY UPDATE: use-after-free in e1000e
- debian/patches/ubuntu/CVE-2020-15859.patch: forbid the reentrant RX
in net/queue.c.
- CVE-2020-15859
* SECURITY UPDATE: OOB write to MSI-X table
- debian/patches/ubuntu/CVE-2020-27821.patch: clamp cached translation
in case it points to an MMIO region in exec.c.
- CVE-2020-27821
* SECURITY UPDATE: infinite loop in e1000e
- debian/patches/ubuntu/CVE-2020-28916.patch: advance desc_offset in
case of null descriptor in hw/net/e1000e_core.c.
- CVE-2020-28916
* SECURITY UPDATE: out of bounds read in atapi
- debian/patches/ubuntu/CVE-2020-29443-1.patch: assert that the buffer
pointer is in range in hw/ide/atapi.c.
- debian/patches/ubuntu/CVE-2020-29443-2.patch: check logical block
address and read size in hw/ide/atapi.c.
- CVE-2020-29443
* SECURITY UPDATE: use after free in 9p
- debian/patches/ubuntu/CVE-2021-20181.patch: fully restart unreclaim
loop in hw/9pfs/9p.c.
- CVE-2021-20181
-- Marc Deslauriers <email address hidden> Wed, 03 Feb 2021 10:56:08 -0500
|
| CVE-2020-11947 |
iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an |
| CVE-2020-15859 |
QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000 |
| CVE-2020-27821 |
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds w |
| CVE-2020-28916 |
hw/net/e1000e_core.c in QEMU 5.0.0 has an infinite loop via an RX descriptor with a NULL buffer address. |
| CVE-2020-29443 |
ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated. |
| CVE-2021-20181 |
9pfs: Fully restart unreclaim loop |
|
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