CVE-2017-7493

CVE-2017-7493 affects QEMU built with VirtFS 9pfs support where improper access control during access to virtfs metadata files in mapped-file security mode can allow a guest user to escalate privileges inside the guest. The description notes local access vector with a high-impact indication (C:H/...

CVE-2017-7493

Quick Emulator Qemu built with the VirtFS, host directory sharing via Plan 9 File System9pfs support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges...

Qemu: VNC: memory corruption due to unchecked resolution limit

An out-of-bounds memory access issue was found in Quick Emulator QEMU in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vncrefreshserversurface'. A user inside a guest could use this flaw to crash the QEMU process...

DEBIAN-CVE-2017-8112

hw/scsi/vmwpvscsi.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service infinite loop and CPU consumption via the message ring page count...

CVE-2017-8112

CVE-2017-8112 affects QEMU (hw/scsi/vmw_pvscsi.c). The vulnerability allows a local guest OS user with privileges to trigger an infinite loop in the message ring page count, causing a denial of service (CPU exhaustion). The provided documents do not specify a vendor/version scope or a remediation...

CVE-2017-8086

CVE-2017-8086: In QEMU, a memory leak in v9fs_list_xattr (hw/9pfs/9p-xattr.c) can be triggered by the orig_value path, allowing local privileged guest users to cause denial of service via memory consumption. Public metrics show CVSSv2/3 for this issue (4.9, 6.5). The connected advisories (e.g., D...

CVE-2017-8112

hw/scsi/vmwpvscsi.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service infinite loop and CPU consumption via the message ring page count...

UBUNTU-CVE-2017-7980

Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator Qemu 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service crash via vectors related to a VNC client updating its display after a VGA operation...

CVE-2017-7980

Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator Qemu 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service crash via vectors related to a VNC client updating its display after a VGA operation...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 10.0 Newton. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2017-7377

CVE-2017-7377 affects QEMU’s 9pfs (hw/9pfs/9p.c): the functions v9fs_create and v9fs_lcreate allow local guest OS privileged users to cause denial of service (file descriptor or memory consumption) when an in-use fid is referenced. The issue is triggered by vectors related to an already in-use fi...

UBUNTU-CVE-2017-7377

The 1 v9fscreate and 2 v9fslcreate functions in hw/9pfs/9p.c in QEMU aka Quick Emulator allow local guest OS privileged users to cause a denial of service file descriptor or memory consumption via vectors related to an already in-use fid...

DEBIAN-CVE-2017-5931

Integer overflow in hw/virtio/virtio-crypto.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service QEMU process crash or possibly execute arbitrary code on the host via a crafted virtio-crypto request, which triggers a heap-based buffer overflow...

DEBIAN-CVE-2017-5987

The sdhcisdmatransfermultiblocks function in hw/sd/sdhci.c in QEMU aka Quick Emulator allows local OS guest privileged users to cause a denial of service infinite loop and QEMU process crash via vectors involving the transfer mode register during multi block transfer...

DEBIAN-CVE-2017-6058

Buffer overflow in NetRxPkt::ehdrbuf in hw/net/netrxpkt.c in QEMU aka Quick Emulator, when the VLANSTRIP feature is enabled on the vmxnet3 device, allows remote attackers to cause a denial of service out-of-bounds access and QEMU process crash via vectors related to VLAN stripping...

DEBIAN-CVE-2017-5856

Memory leak in the megasashandledcmd function in hw/scsi/megasas.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service host memory consumption via MegaRAID Firmware Interface MFI commands with the sglist size set to a value over 2 Gb...

DEBIAN-CVE-2017-5667

The sdhcisdmatransfermultiblocks function in hw/sd/sdhci.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service out-of-bounds heap access and crash or execute arbitrary code on the QEMU host via vectors involving the data transfer length...

CVE-2017-5856

CVE-2017-5856 affects QEMU megasas SAS emulation: memory leak in megasas_handle_dcmd() in hw/scsi/megasas.c allows a local privileged guest to cause host memory consumption (DoS) via MegaRAID Firmware Interface (MFI) commands with sglist sizes exceeding 2 GB. Connected documents confirm the vulne...

Integer overflow

Integer overflow in the emulatedapdufromguest function in usb/dev-smartcard-reader.c in Quick Emulator Qemu, when built with the CCID Card device emulator support, allows local users to cause a denial of service application crash via a large Application Protocol Data Units APDU unit...

DEBIAN-CVE-2017-5898

Integer overflow in the emulatedapdufromguest function in usb/dev-smartcard-reader.c in Quick Emulator Qemu, when built with the CCID Card device emulator support, allows local users to cause a denial of service application crash via a large Application Protocol Data Units APDU unit...