Total
421 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2020-25741 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 3.2 LOW |
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fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive.
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| CVE-2020-25723 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 2.1 LOW | 3.2 LOW |
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A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.
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| CVE-2020-25625 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 4.7 MEDIUM | 5.3 MEDIUM |
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hw/usb/hcd-ohci.c in QEMU 5.0.0 has an infinite loop when a TD list has a loop.
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| CVE-2020-25624 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 4.4 MEDIUM | 5.0 MEDIUM |
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hw/usb/hcd-ohci.c in QEMU 5.0.0 has a stack-based buffer over-read via values obtained from the host controller driver.
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| CVE-2020-25085 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 4.4 MEDIUM | 5.0 MEDIUM |
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QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.
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| CVE-2020-25084 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 2.1 LOW | 3.2 LOW |
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QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.
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| CVE-2020-24352 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
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| CVE-2020-24165 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | N/A | 8.8 HIGH |
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An issue was discovered in TCG Accelerator in QEMU 4.2.0, allows local attackers to execute arbitrary code, escalate privileges, and cause a denial of service (DoS). Note: This is disputed as a bug and not a valid security issue by multiple third parties.
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| CVE-2020-1711 | 4 Debian, Opensuse, Qemu and 1 more | 5 Debian Linux, Leap, Qemu and 2 more | 2024-11-21 | 6.0 MEDIUM | 7.7 HIGH |
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An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.
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| CVE-2020-17380 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 4.6 MEDIUM | 6.3 MEDIUM |
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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 sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw 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 process on the host.
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| CVE-2020-16092 | 4 Canonical, Debian, Opensuse and 1 more | 4 Ubuntu Linux, Debian Linux, Leap and 1 more | 2024-11-21 | 2.1 LOW | 3.8 LOW |
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In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.
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| CVE-2020-15863 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2024-11-21 | 4.4 MEDIUM | 5.3 MEDIUM |
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hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.
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| CVE-2020-15859 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 2.1 LOW | 3.3 LOW |
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QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.
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| CVE-2020-15469 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2024-11-21 | 2.1 LOW | 2.3 LOW |
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In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.
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| CVE-2020-14415 | 2 Canonical, Qemu | 2 Ubuntu Linux, Qemu | 2024-11-21 | 2.1 LOW | 3.3 LOW |
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oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.
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| CVE-2020-14394 | 3 Fedoraproject, Qemu, Redhat | 5 Extra Packages For Enterprise Linux, Fedora, Qemu and 2 more | 2024-11-21 | N/A | 3.2 LOW |
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An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.
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| CVE-2020-14364 | 6 Canonical, Debian, Fedoraproject and 3 more | 7 Ubuntu Linux, Debian Linux, Fedora and 4 more | 2024-11-21 | 4.4 MEDIUM | 5.0 MEDIUM |
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An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.
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| CVE-2020-13800 | 3 Canonical, Opensuse, Qemu | 3 Ubuntu Linux, Leap, Qemu | 2024-11-21 | 4.9 MEDIUM | 6.0 MEDIUM |
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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.
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| CVE-2020-13791 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.
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| CVE-2020-13765 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2024-11-21 | 6.8 MEDIUM | 5.6 MEDIUM |
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rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.
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| CVE-2020-13754 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2024-11-21 | 4.6 MEDIUM | 6.7 MEDIUM |
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hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
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| CVE-2020-13659 | 4 Canonical, Debian, Opensuse and 1 more | 4 Ubuntu Linux, Debian Linux, Leap and 1 more | 2024-11-21 | 1.9 LOW | 2.5 LOW |
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address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
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| CVE-2020-13362 | 4 Canonical, Debian, Opensuse and 1 more | 4 Ubuntu Linux, Debian Linux, Leap and 1 more | 2024-11-21 | 2.1 LOW | 3.2 LOW |
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In QEMU 5.0.0 and earlier, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS user.
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| CVE-2020-13361 | 4 Canonical, Debian, Opensuse and 1 more | 4 Ubuntu Linux, Debian Linux, Leap and 1 more | 2024-11-21 | 3.3 LOW | 3.9 LOW |
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In QEMU 5.0.0 and earlier, es1370_transfer_audio in hw/audio/es1370.c does not properly validate the frame count, which allows guest OS users to trigger an out-of-bounds access during an es1370_write() operation.
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| CVE-2020-13253 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.
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| CVE-2020-12829 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2024-11-21 | 2.1 LOW | 3.8 LOW |
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In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPY_AREA macro while handling MMIO write operations through the sm501_2d_engine_write() callback. A local attacker could abuse this flaw to crash the QEMU process in sm501_2d_operation() in hw/display/sm501.c on the host, resulting in a denial of service.
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| CVE-2020-11947 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 3.8 LOW |
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iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.
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| CVE-2020-11869 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 3.3 LOW |
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An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
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| CVE-2020-11102 | 1 Qemu | 1 Qemu | 2024-11-21 | 6.8 MEDIUM | 5.6 MEDIUM |
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hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.
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| CVE-2020-10761 | 4 Canonical, Opensuse, Qemu and 1 more | 4 Ubuntu Linux, Leap, Qemu and 1 more | 2024-11-21 | 4.0 MEDIUM | 5.0 MEDIUM |
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An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.
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| CVE-2020-10717 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 3.3 LOW |
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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.
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| CVE-2020-10702 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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A flaw was found in QEMU in the implementation of the Pointer Authentication (PAuth) support for ARM introduced in version 4.0 and fixed in version 5.0.0. A general failure of the signature generation process caused every PAuth-enforced pointer to be signed with the same signature. A local attacker could obtain the signature of a protected pointer and abuse this flaw to bypass PAuth protection for all programs running on QEMU.
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| CVE-2019-9824 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.
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| CVE-2019-8934 | 2 Opensuse, Qemu | 2 Leap, Qemu | 2024-11-21 | 2.1 LOW | 3.3 LOW |
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hw/ppc/spapr.c in QEMU through 3.1.0 allows Information Exposure because the hypervisor shares the /proc/device-tree/system-id and /proc/device-tree/model system attributes with a guest.
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| CVE-2019-6778 | 4 Canonical, Fedoraproject, Opensuse and 1 more | 4 Ubuntu Linux, Fedora, Leap and 1 more | 2024-11-21 | 4.6 MEDIUM | 7.8 HIGH |
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In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.
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| CVE-2019-6501 | 2 Fedoraproject, Qemu | 2 Fedora, Qemu | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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In QEMU 3.1, scsi_handle_inquiry_reply in hw/scsi/scsi-generic.c allows out-of-bounds write and read operations.
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| CVE-2019-5008 | 1 Qemu | 1 Qemu | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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hw/sparc64/sun4u.c in QEMU 3.1.50 is vulnerable to a NULL pointer dereference, which allows the attacker to cause a denial of service via a device driver.
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| CVE-2019-3812 | 4 Canonical, Fedoraproject, Opensuse and 1 more | 4 Ubuntu Linux, Fedora, Leap and 1 more | 2024-11-21 | 2.1 LOW | 4.4 MEDIUM |
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QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.
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| CVE-2019-20808 | 1 Qemu | 1 Qemu | 2024-11-21 | 2.1 LOW | 6.5 MEDIUM |
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In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
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| CVE-2019-20382 | 4 Canonical, Debian, Opensuse and 1 more | 4 Ubuntu Linux, Debian Linux, Leap and 1 more | 2024-11-21 | 2.7 LOW | 3.5 LOW |
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QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.
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