CVE-2017-13672

CVE-2017-13672 affects QEMU when built with VGA display emulator support. A local privileged user can trigger an out-of-bounds read during VGA display update, crashing the QEMU process and causing DoS. Public advisories confirm vga-related fix in qemu-kvm components (e.g., ALAS-2018-1034, CESA-20...

[SECURITY] [DLA 1071-1] qemu-kvm security update

Package : qemu-kvm Version : 1.1.2+dfsg-6+deb7u23 CVE ID : CVE-2017-6505 CVE-2017-8309 CVE-2017-10664 CVE-2017-11434 Multiple vulnerabilities were discovered in qemu-kvm, a full virtualization solution for Linux hosts on x86 hardware with x86 guests based on the Quick EmulatorQemu. CVE-2017-6505...

CentOS 7 : qemu-kvm (CESA-2017:1856)

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

CVE-2017-12809

QEMU aka Quick Emulator, when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service NULL pointer dereference and QEMU process crash by flushing an empty CDROM device drive...

CVE-2017-12809

CVE-2017-12809 affects QEMU when built with IDE disk and CD/DVD-ROM Emulator support. A local privileged user can flush an empty CDROM device and trigger a NULL pointer dereference, causing the QEMU process to crash (DoS). The description specifies local access and DoS impact; no concrete patch/v...

CVE-2017-12809

QEMU aka Quick Emulator, when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service NULL pointer dereference and QEMU process crash by flushing an empty CDROM device drive...

Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort

Quick Emulator QEMU built with the Network Block Device NBD Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd...

DEBIAN-CVE-2017-10806

Stack-based buffer overflow in hw/usb/redirect.c in QEMU aka Quick Emulator allows local guest OS users to cause a denial of service QEMU process crash via vectors related to logging debug messages...

Out-of-bounds

The addressspacewritecontinue function in exec.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service out-of-bounds access and guest instance crash by leveraging use of qemumapramptr to access guest ram block area...

DEBIAN-CVE-2017-11334

The addressspacewritecontinue function in exec.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service out-of-bounds access and guest instance crash by leveraging use of qemumapramptr to access guest ram block area...

CVE-2017-11334

CVE-2017-11334 affects QEMU and is described as an OOB read/write bug in the address_space_write_continue path (exec.c) that allows a privileged guest‑OS user, via qemu_map_ram_ptr accessing guest RAM, to cause a denial of service and guest crash. The impact is local and involves an out‑of‑bounds...

CVE-2017-10664

CVE-2017-10664 affects qemu-nbd in QEMU. The issue arises because SIGPIPE is not ignored, allowing remote attackers to trigger a denial of service (daemon crash) by disconnecting during a server-to-client reply. The vulnerability is referenced across multiple advisories and Nessus plugins (e.g., ...

CVE-2017-10664

qemu-nbd in QEMU aka Quick Emulator does not ignore SIGPIPE, which allows remote attackers to cause a denial of service daemon crash by disconnecting during a server-to-client reply attempt...

CVE-2017-10664

qemu-nbd in QEMU aka Quick Emulator does not ignore SIGPIPE, which allows remote attackers to cause a denial of service daemon crash by disconnecting during a server-to-client reply attempt...

Qemu: usb: infinite loop while doing control transfer in xhci_kick_epctx

The xhcikickepctx function in hw/usb/hcd-xhci.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service infinite loop and QEMU process crash via vectors related to control transfer descriptor sequence...

Qemu: i386: leakage of stack memory to guest in kvmvapic.c

An information-exposure flaw was found in Quick Emulator QEMU in Task Priority Register TPR optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory...

Qemu: net: rtl8139: infinite loop while transmit in C+ mode

The rtl8139cplustransmit function in hw/net/rtl8139.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service infinite loop and CPU consumption by leveraging failure to limit the ring descriptor count...

Qemu: usb: integer overflow in emulated_apdu_from_guest

An integer overflow flaw was found in Quick Emulator QEMU in the CCID Card device support. The flaw could occur while passing messages via command/response packets to and from the host. A privileged user inside a guest could use this flaw to crash the QEMU process...

DEBIAN-CVE-2017-11434

The dhcpdecode function in slirp/bootp.c in QEMU aka Quick Emulator allows local guest OS users to cause a denial of service out-of-bounds read and QEMU process crash via a crafted DHCP options string...

CVE-2017-11434

CVE-2017-11434 affects QEMU’s SLiRP networking: the dhcp_decode function in slirp/bootp.c can be triggered by a crafted DHCP options string, causing an out-of-bounds read and a QEMU process crash (Denial of Service) on local guests. The connected materials explicitly reference the function and th...