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OracleLinuxELSA-2021-9285
HistoryJun 06, 2021 - 12:00 a.m.

qemu security update

2021-06-0600:00:00
linux.oracle.com
71

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

[15:4.2.1-9.el7]

  • Revert ‘oslib-posix: refactor memory prealloc threads’ (Mark Kanda) [Orabug: 32903662]
  • Revert ‘oslib-posix: initialize backend memory objects in parallel’ (Mark Kanda) [Orabug: 32903662]
    [15:4.2.1-8.el7]
  • i386/pc: let iterator handle regions below 4G (Joao Martins)
    [15:4.2.1-7.el7]
  • arm/virt: Add memory hot remove support (Mihai Carabas) [Orabug: 32643506]
  • i386/pc: consolidate usable iova iteration (Joao Martins)
  • i386/acpi: fix SRAT ranges in accordance to usable IOVA (Joao Martins)
  • migration: increase listening socket backlog (Elena Ufimtseva) [Orabug: 32792545]
  • multifd: Make multifd_save_setup() get an Error parameter (Juan Quintela)
  • multifd: Make multifd_load_setup() get an Error parameter (Juan Quintela)
  • migration: fix maybe-uninitialized warning (Marc-Andre Lureau)
  • migration: Fix the re-run check of the migrate-incoming command (Yury Kotov)
  • multifd: Initialize local variable (Juan Quintela)
  • multifd: Be consistent about using uint64_t (Juan Quintela)
  • Bug #1829242 correction. (Alexey Romko)
  • migration/multifd: fix destroyed mutex access in terminating multifd threads (Jiahui Cen)
  • migration/multifd: fix nullptr access in terminating multifd threads (Jiahui Cen)
  • migration/multifd: not use multifd during postcopy (Wei Yang)
  • migration/multifd: clean pages after filling packet (Wei Yang)
  • migration: Make sure that we don’t call write() in case of error (Juan Quintela)
  • migration: fix multifd_send_pages() next channel (Laurent Vivier)
  • migration/multifd: bypass uuid check for initial packet (Elena Ufimtseva) [Orabug: 32610480]
  • migration/tls: add error handling in multifd_tls_handshake_thread (Hao Wang)
  • migration/tls: fix inverted semantics in multifd_channel_connect (Hao Wang)
  • migration/multifd: do not access uninitialized multifd_recv_state (Elena Ufimtseva) [Orabug: 32795384]
  • io/channel-tls.c: make qio_channel_tls_shutdown thread-safe (Lukas Straub)
  • qemu.spec: Enable qemu-guest-agent RPM for OL7 (Karl Heubaum) [Orabug: 32415543]
  • virtio-net: Set mac address to hardware if the peer is vdpa (Cindy Lu)
  • net: Add vhost-vdpa in show_netdevs() (Cindy Lu)
  • vhost-vdpa: Add qemu_close in vhost_vdpa_cleanup (Cindy Lu)
  • hw/virtio/vhost-vdpa: Fix Coverity CID 1432864 (Philippe Mathieu-Daude)
  • vhost-vdpa: negotiate VIRTIO_NET_F_STATUS with driver (Si-Wei Liu)
  • configure: Fix build dependencies with vhost-vdpa. (Laurent Vivier)
  • configure: simplify vhost condition with Kconfig (Marc-Andre Lureau)
  • vhost-vdpa: add trace-events (Laurent Vivier)
  • dma/pl330: Fix qemu_hexdump() usage in pl330.c (Mark Kanda)
  • util/hexdump: introduce qemu_hexdump_line() (Laurent Vivier)
  • util/hexdump: Reorder qemu_hexdump() arguments (Philippe Mathieu-Daude)
  • util/hexdump: Convert to take a void pointer argument (Philippe Mathieu-Daude)
  • net/colo-compare.c: Only hexdump packets if tracing is enabled (Lukas Straub)
  • vhost-vdpa: batch updating IOTLB mappings (Jason Wang)
  • vhost: switch to use IOTLB v2 format (Jason Wang)
  • vhost-vdpa: remove useless variable (Laurent Vivier)
  • virtio: vdpa: omit check return of g_malloc (Li Qiang)
  • vhost-vdpa: fix indentation in vdpa_ops (Stefano Garzarella)
  • virtio-net: check the existence of peer before accessing vDPA config (Jason Wang)
  • virtio-pci: fix wrong index in virtio_pci_queue_enabled (Yuri Benditovich)
  • virtio-pci: fix virtio_pci_queue_enabled() (Laurent Vivier)
  • vhost-vdpa :Fix Coverity CID 1430270 / CID 1420267 (Cindy Lu)
  • vhost-vdpa: fix the compile issue without kvm (Cindy Lu)
  • vhost-vdpa: introduce vhost-vdpa net client (Cindy Lu)
  • vhost-vdpa: introduce vhost-vdpa backend (Cindy Lu)
  • linux headers: sync to 5.9-rc4 (Jason Wang)
  • Linux headers: update (Cornelia Huck)
  • virtio-net: fix rsc_ext compat handling (Cornelia Huck)
  • linux-headers: update against Linux 5.7-rc3 (Cornelia Huck)
  • virtiofsd: Pull in kernel’s fuse.h (Dr. David Alan Gilbert)
  • linux-headers: Update (Bharata B Rao)
  • vhost_net: introduce set_config & get_config (Cindy Lu)
  • vhost: implement vhost_force_iommu method (Cindy Lu)
  • vhost: introduce new VhostOps vhost_force_iommu (Cindy Lu)
  • vhost: implement vhost_vq_get_addr method (Cindy Lu)
  • vhost: introduce new VhostOps vhost_vq_get_addr (Cindy Lu)
  • vhost: implement vhost_dev_start method (Cindy Lu)
  • vhost: introduce new VhostOps vhost_dev_start (Cindy Lu)
  • vhost: check the existence of vhost_set_iotlb_callback (Jason Wang)
  • virtio-pci: implement queue_enabled method (Jason Wang)
  • virtio-bus: introduce queue_enabled method (Jason Wang)
  • vhost_net: use the function qemu_get_peer (Cindy Lu)
  • net: introduce qemu_get_peer (Cindy Lu)
  • vhost: correctly turn on VIRTIO_F_IOMMU_PLATFORM (Jason Wang)
  • imx7-ccm: add digprog mmio write method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • tz-ppc: add dummy read/write methods (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • spapr_pci: add spapr msi read method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • nvram: add nrf51_soc flash read method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • prep: add ppc-parity write method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • vfio: add quirk device write method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • pci-host: designware: add pcie-msi read method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • hw/pci-host: add pci-intack write method (Prasad J Pandit) [Orabug: 31576552] {CVE-2020-15469}
  • oslib-posix: initialize backend memory objects in parallel (Mark Kanda) [Orabug: 32555402]
  • oslib-posix: refactor memory prealloc threads (Mark Kanda) [Orabug: 32555402]
  • oslib-posix: take lock before qemu_cond_broadcast (Bauerchen) [Orabug: 32555402]
  • oslib-posix: initialize mutex and condition variable (Paolo Bonzini) [Orabug: 32555402]
  • mem-prealloc: optimize large guest startup (bauerchen) [Orabug: 32555402]
  • i386: Add the support for AMD EPYC 3rd generation processors (Babu Moger)
  • acpi: cpuhp: document CPHP_GET_CPU_ID_CMD command (Igor Mammedov)
  • acpi: cpuhp: add CPHP_GET_CPU_ID_CMD command (Igor Mammedov)
  • acpi: cpuhp: spec: add typical usecases (Igor Mammedov)
  • acpi: cpuhp: spec: clarify store into ‘Command data’ when ‘Command field’ == 0 (Igor Mammedov)
  • acpi: cpuhp: spec: fix ‘Command data’ description (Igor Mammedov)
  • acpi: cpuhp: spec: clarify ‘CPU selector’ register usage and endianness (Igor Mammedov)
  • acpi: cpuhp: introduce ‘Command data 2’ field (Igor Mammedov)
  • x86: ich9: let firmware negotiate ‘CPU hot-unplug with SMI’ feature (Igor Mammedov)
  • x86: ich9: factor out ‘guest_cpu_hotplug_features’ (Igor Mammedov)
  • x86: acpi: let the firmware handle pending ‘CPU remove’ events in SMM (Igor Mammedov)
  • x86: acpi: introduce AcpiPmInfo::smi_on_cpu_unplug (Igor Mammedov)
  • acpi: cpuhp: introduce ‘firmware performs eject’ status/control bits (Igor Mammedov)
  • x68: acpi: trigger SMI before sending hotplug Notify event to OSPM (Igor Mammedov)
  • x86: acpi: introduce the PCI0.SMI0 ACPI device (Igor Mammedov)
  • x86: acpi: introduce AcpiPmInfo::smi_on_cpuhp (Igor Mammedov)
  • x86: ich9: expose ‘smi_negotiated_features’ as a QOM property (Igor Mammedov)
  • tests: acpi: mark to be changed tables in bios-tables-test-allowed-diff (Igor Mammedov)
  • acpi: add aml_land() and aml_break() primitives (Igor Mammedov)
  • x86: cpuhp: refuse cpu hot-unplug request earlier if not supported (Igor Mammedov)
  • x86: cpuhp: prevent guest crash on CPU hotplug when broadcast SMI is in use (Igor Mammedov)
  • x86: lpc9: let firmware negotiate ‘CPU hotplug with SMI’ features (Igor Mammedov)
  • q35: implement 128K SMRAM at default SMBASE address (Igor Mammedov)
  • hw/intc/arm_gic: Fix interrupt ID in GICD_SGIR register (Philippe Mathieu-Daude) [Orabug: 32470471] {CVE-2021-20221}
  • memory: clamp cached translation in case it points to an MMIO region (Paolo Bonzini) [Orabug: 32252673] {CVE-2020-27821}
  • hw/sd/sdhci: Fix DMA Transfer Block Size field (Philippe Mathieu-Daude) [Orabug: 32613470] {CVE-2021-3409}
Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

Related for ELSA-2021-9285