OPENSUSE-SU-2021:0600-1 Security update for qemu

This update for qemu fixes the following issues: - CVE-2020-12829: Fix OOB access in sm501 device emulation bsc1172385 - CVE-2020-25723: Fix use-after-free in usb xhci packet handling bsc1178934 - CVE-2020-25084: Fix use-after-free in usb ehci packet handling bsc1176673 - CVE-2020-25625: Fix...

SUSE-SU-2021:1242-1 Security update for qemu

This update for qemu fixes the following issues: - Fix OOB access in sm501 device emulation CVE-2020-12829, bsc1172385 - Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation CVE-2020-13362 bsc1172383 - Fix use-after-free in usb xhci packet handling CVE-2020-25723, bsc1178934 - Fix...

QEMU 资源管理错误漏洞

QEMU Quick Emulator is a set of simulation processor software by Fabrice Bellard, a French individual developer. The software is fast and cross-platform. QEMU ESP Device Emulation has a security vulnerability that can be exploited by an attacker to allow the use of multiple exploits via device...

EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2021-1763)

According to the versions of the qemu packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - ideatapicmdreplyend in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated...

QEMU heap buffer overflow vulnerability (CNVD-2021-09804)

QEMU is a set of simulation processors written by Fabrice Bellard and distributed with source code under the GPL license, widely used on the GNU/Linux platform. QEMU 5.0.0 and earlier versions of SDHCI device emulation support suffer from a heap buffer overflow vulnerability when performing a...

CVE-2020-17380: Out-of-bounds Write

A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhcisdmatransfermultiblocks routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the...

Breaking Samsung firmware, or turning your S8/S9/S10 into a DIY “Proxmark”

This post is a companion to the DEF CON 28 video available here Breaking the Firmware of Samsung’s NFC Chips Recently I have been looking into how to push the capabilities of my old smartphones beyond what you could traditionally do just by rooting it. Smartphones contain huge amounts of hardware...

CVE-2020-17380

A flaw was found in QEMU. A heap-based buffer overflow vulnerability was found in the SDHCI device emulation support allowing a guest user or process to crash the QEMU process on the host resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU...

SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2020:2015-1)

This update for qemu to version 4.2.1 fixes the following issues : CVE-2020-10761: Fixed a denial of service in Network Block Device nbd support infrastructure bsc1172710. CVE-2020-13800: Fixed a denial of service possibility in ati-vga emulation bsc1172495. CVE-2020-13659: Fixed a NULL pointer...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2017:1241-1)

This update for qemu fixes several issues. These security issues were fixed : - CVE-2017-2620: In CIRRUSBLTMODEMEMSYSSRC mode the bitblit copy routine cirrusbitbltcputovideo failed to check the memory region, allowing for an out-of-bounds write that allows for privilege escalation bsc1024972 -...

USN-3268-1: QEMU vulnerabilities

Zhenhao Hong discovered that QEMU incorrectly handled the Virtio GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2016-10028 It was discovered that QEMU incorrectly handled the JAZZ RC4030 device. A privileged attacker...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2017:0625-1)

This update for qemu fixes several issues. These security issues were fixed : - CVE-2017-5898: The CCID Card device emulator support was vulnerable to an integer overflow flaw allowing a privileged user to crash the Qemu process on the host resulting in DoS bsc1023907. - CVE-2017-5857: The Virtio...

CVE-2015-8743: Out-of-bounds Read

QEMU aka Quick Emulator built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged CAPSYSRAWIO user/process could use this flaw to leak or corrupt QEMU memory bytes...

Security update for qemu (important)

qemu was updated to fix 29 security issues. These security issues were fixed: - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avoi...

CVE-2015-5158

Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAPSYSRAWIO permissions to cause a denial of service instance crash via an invalid opcode in a SCSI command descriptor block...

CVE-2015-5158

Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAPSYSRAWIO permissions to cause a denial of service instance crash via an invalid opcode in a SCSI command descriptor block...

Out-of-bounds

The 1 fwcfgwrite and 2 fwcfgread functions in hw/nvram/fwcfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAPSYSRAWIO privilege to cause a denial of service out-of-bounds read or write access and process crash or possibly...

FreeBSD : xen-kernel -- Information leak via internal x86 system device emulation (5023f559-27e2-11e5-a4a5-002590263bf5)

The Xen Project reports : Emulation routines in the hypervisor dealing with certain system devices check whether the access size by the guest is a supported one. When the access size is unsupported these routines failed to set the data to be returned to the guest for read accesses, so that...

Fedora 20 : xen-4.3.3-12.fc20 (2015-3721)

HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 Information leak via internal x86 system device emulation, Information leak through version information hypercall Note that Tenable...

Fedora 22 : xen-4.5.0-6.fc22 (2015-3935)

Additional patch for XSA-98 on arm64 HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 Information leak via internal x86 system device emulation, Information leak through version...