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The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Some fixes available 1 of 2
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | Not affected | Not affected |
| qemu-kvm | — | — | Not in release | Not in release |
Some fixes available 4 of 6
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user...
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | Not affected | Not affected |
| qemu-kvm | — | — | Not in release | Not in release |
| xen | — | — | Not affected | Not affected |
The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range...
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
| xen | — | — | — | — |
Some fixes available 4 of 6
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest...
3 affected packages
xen, qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xen | — | — | Not affected | Not affected |
| qemu | — | — | Not affected | Not affected |
| qemu-kvm | — | — | Not in release | Not in release |
Some fixes available 5 of 6
Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | Not affected | Not affected |
| qemu-kvm | — | — | Not in release | Not in release |
| xen | — | — | Not affected | Not affected |
Some fixes available 5 of 6
A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a...
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
| xen | — | — | — | — |
Some fixes available 12 of 13
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | Fixed | Fixed |
| qemu-kvm | — | — | Not in release | Not in release |
The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service (guest crash) via unspecified vectors.
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >=...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |