Filtered by vendor Qemu
Subscribe
Search
Total
201 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2023-3019 | 2 Qemu, Redhat | 2 Qemu, Enterprise Linux | 2024-01-10 | N/A | 6.5 MEDIUM |
| A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. | |||||
| CVE-2023-6693 | 2 Qemu, Redhat | 2 Qemu, Enterprise Linux | 2024-01-08 | N/A | 5.3 MEDIUM |
| A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory and send it to the wire, causing an information leak. | |||||
| CVE-2023-4135 | 2 Fedoraproject, Qemu | 2 Fedora, Qemu | 2023-12-11 | N/A | 6.5 MEDIUM |
| A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. The QEMU process does not validate an offset provided by the guest before computing a host heap pointer, which is used for copying data back to the guest. Arbitrary heap memory relative to an allocated buffer can be disclosed. | |||||
| CVE-2023-40360 | 1 Qemu | 1 Qemu | 2023-12-11 | N/A | 5.5 MEDIUM |
| QEMU through 8.0.4 accesses a NULL pointer in nvme_directive_receive in hw/nvme/ctrl.c because there is no check for whether an endurance group is configured before checking whether Flexible Data Placement is enabled. | |||||
| CVE-2021-3947 | 1 Qemu | 1 Qemu | 2023-11-21 | 2.1 LOW | 5.5 MEDIUM |
| A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information. | |||||
| CVE-2023-0330 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2023-11-15 | N/A | 6.0 MEDIUM |
| A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem may lead to memory corruption bugs like stack overflow or use-after-free. | |||||
| CVE-2023-3180 | 1 Qemu | 1 Qemu | 2023-08-08 | N/A | 6.5 MEDIUM |
| A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypto_handle_sym_req. There is no check for the value of `src_len` and `dst_len` in virtio_crypto_sym_op_helper, potentially leading to a heap buffer overflow when the two values differ. | |||||
| CVE-2021-3611 | 2 Qemu, Redhat | 2 Qemu, Enterprise Linux | 2022-06-24 | 2.1 LOW | 6.5 MEDIUM |
| A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0. | |||||
| CVE-2015-5239 | 5 Arista, Canonical, Fedoraproject and 2 more | 8 Eos, Ubuntu Linux, Fedora and 5 more | 2022-06-05 | 4.0 MEDIUM | 6.5 MEDIUM |
| Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop. | |||||
| CVE-2021-3638 | 1 Qemu | 1 Qemu | 2022-06-03 | 2.1 LOW | 6.5 MEDIUM |
| An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service. | |||||
| CVE-2021-20255 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2022-06-03 | 2.1 LOW | 5.5 MEDIUM |
| A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-20295 | 1 Qemu | 1 Qemu | 2022-05-19 | 2.1 LOW | 6.5 MEDIUM |
| It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756. | |||||
| CVE-2020-35505 | 1 Qemu | 1 Qemu | 2022-05-13 | 2.1 LOW | 4.4 MEDIUM |
| 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 handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2020-35504 | 2 Fedoraproject, Qemu | 2 Fedora, Qemu | 2022-05-13 | 2.1 LOW | 6.0 MEDIUM |
| 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 crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2020-35503 | 2 Fedoraproject, Qemu | 2 Fedora, Qemu | 2022-05-13 | 2.1 LOW | 6.0 MEDIUM |
| A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2019-12067 | 4 Debian, Fedoraproject, Qemu and 1 more | 5 Debian Linux, Fedora, Qemu and 2 more | 2022-05-13 | 2.1 LOW | 6.5 MEDIUM |
| The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null. | |||||
| CVE-2020-27661 | 1 Qemu | 1 Qemu | 2022-05-13 | 2.1 LOW | 6.5 MEDIUM |
| A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service. | |||||
| CVE-2021-3930 | 3 Debian, Qemu, Redhat | 10 Debian Linux, Qemu, Codeready Linux Builder and 7 more | 2022-05-13 | 2.1 LOW | 6.5 MEDIUM |
| 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 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition. | |||||
| CVE-2021-20257 | 3 Fedoraproject, Qemu, Redhat | 7 Fedora, Qemu, Codeready Linux Builder and 4 more | 2022-05-12 | 2.1 LOW | 6.5 MEDIUM |
| An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3607 | 2 Fedoraproject, Qemu | 2 Fedora, Qemu | 2022-05-10 | 4.9 MEDIUM | 6.0 MEDIUM |
| An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a large amount of memory, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3608 | 2 Fedoraproject, Qemu | 2 Fedora, Qemu | 2022-05-10 | 4.9 MEDIUM | 6.0 MEDIUM |
| A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3582 | 1 Qemu | 1 Qemu | 2022-04-29 | 2.1 LOW | 6.5 MEDIUM |
| A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2020-13800 | 3 Canonical, Opensuse, Qemu | 3 Ubuntu Linux, Leap, Qemu | 2022-04-28 | 4.9 MEDIUM | 6.0 MEDIUM |
| ati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mm_index value during an ati_mm_read or ati_mm_write call. | |||||
| CVE-2021-20196 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2022-04-26 | 2.1 LOW | 6.5 MEDIUM |
| 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 selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3409 | 4 Debian, Fedoraproject, Qemu and 1 more | 4 Debian Linux, Fedora, Qemu and 1 more | 2022-04-26 | 4.6 MEDIUM | 5.7 MEDIUM |
| 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 previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this. | |||||
| CVE-2015-5745 | 3 Arista, Fedoraproject, Qemu | 3 Eos, Fedora, Qemu | 2022-02-20 | 4.0 MEDIUM | 6.5 MEDIUM |
| Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows guest users to cause a denial of service (QEMU process crash) via a crafted virtio control message. | |||||
| CVE-2021-4145 | 2 Qemu, Redhat | 2 Qemu, Enterprise Linux | 2022-02-01 | 4.9 MEDIUM | 6.5 MEDIUM |
| A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The `self` pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold of mirroring node. | |||||
| CVE-2020-27617 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2022-01-06 | 4.0 MEDIUM | 6.5 MEDIUM |
| eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol. | |||||
| CVE-2021-3416 | 4 Debian, Fedoraproject, Qemu and 1 more | 4 Debian Linux, Fedora, Qemu and 1 more | 2022-01-04 | 2.1 LOW | 6.0 MEDIUM |
| 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 in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario. | |||||
| CVE-2020-25625 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2022-01-01 | 4.7 MEDIUM | 5.3 MEDIUM |
| hw/usb/hcd-ohci.c in QEMU 5.0.0 has an infinite loop when a TD list has a loop. | |||||
| CVE-2020-27616 | 1 Qemu | 1 Qemu | 2022-01-01 | 4.0 MEDIUM | 6.5 MEDIUM |
| ati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process. | |||||
| CVE-2020-10717 | 1 Qemu | 1 Qemu | 2021-12-20 | 2.1 LOW | 6.5 MEDIUM |
| A potential DoS flaw was found in the virtio-fs shared file system daemon (virtiofsd) implementation of the QEMU version >= v5.0. Virtio-fs is meant to share a host file system directory with a guest via virtio-fs device. If the guest opens the maximum number of file descriptors under the shared directory, a denial of service may occur. This flaw allows a guest user/process to cause this denial of service on the host. | |||||
| CVE-2021-20221 | 3 Debian, Qemu, Redhat | 3 Debian Linux, Qemu, Enterprise Linux | 2021-12-10 | 2.1 LOW | 6.0 MEDIUM |
| 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 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to the said issue while updating controller state fields and their subsequent processing. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario. | |||||
| CVE-2015-5278 | 4 Arista, Canonical, Fedoraproject and 1 more | 4 Eos, Ubuntu Linux, Fedora and 1 more | 2021-11-30 | 4.0 MEDIUM | 6.5 MEDIUM |
| The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute arbitrary code via vectors related to receiving packets. | |||||
| CVE-2021-3527 | 3 Debian, Qemu, Redhat | 3 Debian Linux, Qemu, Enterprise Linux | 2021-11-15 | 2.1 LOW | 5.5 MEDIUM |
| 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 the overhead and improve performance. The combined size of the bulk transfer is used to dynamically allocate a variable length array (VLA) on the stack without proper validation. Since the total size is not bounded, a malicious guest could use this flaw to influence the array length and cause the QEMU process to perform an excessive allocation on the stack, resulting in a denial of service. | |||||
| CVE-2021-3545 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2021-10-18 | 2.1 LOW | 6.5 MEDIUM |
| 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. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host. | |||||
| CVE-2021-3544 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2021-10-18 | 2.1 LOW | 6.5 MEDIUM |
| 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 contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime. | |||||
| CVE-2016-9921 | 3 Debian, Qemu, Redhat | 5 Debian Linux, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 2.1 LOW | 6.5 MEDIUM |
| Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS. | |||||
| CVE-2016-7422 | 3 Opensuse, Qemu, Redhat | 5 Leap, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 2.1 LOW | 6.0 MEDIUM |
| The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value. | |||||
| CVE-2017-5973 | 3 Debian, Qemu, Redhat | 5 Debian Linux, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 2.1 LOW | 5.5 MEDIUM |
| The xhci_kick_epctx 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. | |||||
| CVE-2016-8909 | 4 Debian, Opensuse, Qemu and 1 more | 6 Debian Linux, Leap, Qemu and 3 more | 2021-08-04 | 2.1 LOW | 6.0 MEDIUM |
| The intel_hda_xfer function in hw/audio/intel-hda.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via an entry with the same value for buffer length and pointer position. | |||||
| CVE-2016-6888 | 3 Debian, Qemu, Redhat | 5 Debian Linux, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 2.1 LOW | 4.4 MEDIUM |
| Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference. | |||||
| CVE-2016-4020 | 4 Canonical, Debian, Qemu and 1 more | 12 Ubuntu Linux, Debian Linux, Qemu and 9 more | 2021-08-04 | 2.1 LOW | 6.5 MEDIUM |
| The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR). | |||||
| CVE-2016-8910 | 4 Debian, Opensuse, Qemu and 1 more | 6 Debian Linux, Leap, Qemu and 3 more | 2021-08-04 | 2.1 LOW | 6.0 MEDIUM |
| The rtl8139_cplus_transmit 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. | |||||
| CVE-2016-5403 | 5 Canonical, Debian, Oracle and 2 more | 13 Ubuntu Linux, Debian Linux, Linux and 10 more | 2021-08-04 | 4.9 MEDIUM | 5.5 MEDIUM |
| The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion. | |||||
| CVE-2018-18438 | 2 Qemu, Redhat | 3 Qemu, Enterprise Linux, Openstack | 2021-08-04 | 2.1 LOW | 5.5 MEDIUM |
| Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value. | |||||
| CVE-2016-9911 | 3 Debian, Qemu, Redhat | 5 Debian Linux, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 4.9 MEDIUM | 6.5 MEDIUM |
| Quick Emulator (Qemu) built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in 'ehci_init_transfer'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host. | |||||
| CVE-2016-9907 | 3 Debian, Qemu, Redhat | 5 Debian Linux, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 4.9 MEDIUM | 6.5 MEDIUM |
| Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host. | |||||
| CVE-2016-8669 | 4 Debian, Opensuse, Qemu and 1 more | 6 Debian Linux, Leap, Qemu and 3 more | 2021-08-04 | 2.1 LOW | 6.0 MEDIUM |
| The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base. | |||||
| CVE-2016-7466 | 3 Opensuse, Qemu, Redhat | 5 Leap, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 1.9 LOW | 6.0 MEDIUM |
| Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory consumption and possibly QEMU process crash) by repeatedly unplugging a USB device. | |||||