All errata/sisyphus/ALT-PU-2020-1912-2
ALT-PU-2020-1912-2

Package update qemu in branch sisyphus

Version5.0.0-alt1
Task#250869
Published2026-02-04
Max severityCRITICAL
Severity:

Closed issues (28)

BDU:2020-01447
CRITICAL9.8

Уязвимость функции tcp_emu программного обеспечения для эмуляции аппаратного обеспечения различных платформ QEMU, связанная с записью за границами буфера памяти, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

Published: 2020-04-14Modified: 2023-11-21
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C
References
BDU:2020-01462
HIGH7.3

Уязвимость функции ide_dma_cb() эмуляции аппаратного обеспечения различных платформ QEMU, связанная с недостаточной проверкой необычных или исключительных состояний, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2020-04-14Modified: 2022-10-13
CVSS 3.xHIGH 7.3
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P
References
BDU:2020-05682
MEDIUM6.0

Уязвимость протокола iSCSI эмулятора аппаратного обеспечения QEMU, позволяющая нарушителю выполнить произвольный код или вызвать отказ в обслуживании

Published: 2020-12-18Modified: 2024-09-16
CVSS 2.0MEDIUM 6.0
CVSS:2.0/AV:N/AC:M/Au:S/C:P/I:P/A:P
References
BDU:2020-05809
LOW2.9

Уязвимость программного обеспечения для эмуляции аппаратного обеспечения QEMU, связанная с разыменованием нулевого указателя, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2020-12-24Modified: 2023-11-21
CVSS 3.xLOW 2.9
CVSS:3.x/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0LOW 1.9
CVSS:2.0/AV:L/AC:M/Au:N/C:N/I:N/A:P
References
BDU:2021-01265
MEDIUM5.5

Уязвимость функции ati_2d_blt (hw/display/ati_2d.c) эмулятора аппаратного обеспечения QEMU, позволяющая нарушителю вызвать отказ в обслуживаниии

Published: 2021-03-15Modified: 2024-09-16
CVSS 3.xMEDIUM 5.5
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0MEDIUM 4.9
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:C
References
BDU:2021-05169
LOW3.3

Уязвимость компонента oss_write эмулятора аппаратного обеспечения QEMU, связанная с отсутствием проверки деления на ноль, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2021-10-27
CVSS 3.xLOW 3.3
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
References
BDU:2021-05170
LOW3.3

Уязвимость подпрограммы ati_2d_blt() эмулятора аппаратного обеспечения QEMU, связанная с целочисленным переполнением, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2021-10-27Modified: 2024-09-16
CVSS 3.xLOW 3.3
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
References
BDU:2021-05173
MEDIUM5.5

Уязвимость эмулятора аппаратного обеспечения QEMU, связанная с отсутствием необходимого этапа шифрования, позволяющая нарушителю получить доступ к конфиденциальным данным

Published: 2021-10-27Modified: 2022-10-18
CVSS 3.xMEDIUM 5.5
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:P/I:N/A:N
References
BDU:2021-05192
LOW3.3

Уязвимость беспроводного моста e1000e эмулятора аппаратного обеспечения QEMU, связанная с использованием памяти после её освобождения, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2021-10-27Modified: 2023-11-21
CVSS 3.xLOW 3.3
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0LOW 1.7
CVSS:2.0/AV:L/AC:L/Au:S/C:N/I:N/A:P
References
BDU:2021-05193
MEDIUM6.0

Уязвимость компонента ati-vga эмулятора аппаратного обеспечения QEMU, связанная с неконтролируемой рекурсией, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2021-10-27Modified: 2024-09-16
CVSS 3.xMEDIUM 6.0
CVSS:3.x/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0MEDIUM 4.9
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:C
References
BDU:2021-05194
MEDIUM5.6

Уязвимость компонента hw/net/tulip.c эмулятора аппаратного обеспечения QEMU, связанная с записью за границами буфера, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

Published: 2021-10-27Modified: 2022-10-18
CVSS 3.xMEDIUM 5.6
CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P
References
BDU:2022-05771
MEDIUM6.0

Уязвимость эмулятора аппаратного обеспечения QEMU, связанная с записью за границами буфера, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2022-09-19Modified: 2023-11-21
CVSS 3.xMEDIUM 6.0
CVSS:3.x/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0MEDIUM 4.6
CVSS:2.0/AV:L/AC:L/Au:S/C:N/I:N/A:C
References
BDU:2023-05104
HIGH8.8

Уязвимость компонента TCG Accelerator эмулятора аппаратного обеспечения QEMU, позволяющая нарушителю выполнить произвольный код, повысить свои привилегии и выполнить отказ в обслуживании

Published: 2023-09-04
CVSS 3.xHIGH 8.8
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:L/AC:L/Au:S/C:C/I:C/A:C
References
CVE-2019-20175
HIGH7.5

An issue was discovered in ide_dma_cb() in hw/ide/core.c in QEMU 2.4.0 through 4.2.0. The guest system can crash the QEMU process in the host system via a special SCSI_IOCTL_SEND_COMMAND. It hits an assertion that implies that the size of successful DMA transfers there must be a multiple of 512 (the size of a sector). NOTE: a member of the QEMU security team disputes the significance of this issue because a "privileged guest user has many ways to cause similar DoS effect, without triggering this assert.

Published: 2019-12-31Modified: 2024-11-21
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2020-10702
MEDIUM5.5

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.

Published: 2020-06-04Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
CVE-2020-11102
MEDIUM5.6

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.

Published: 2020-04-06Modified: 2024-11-21
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS 3.xMEDIUM 5.6
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
References
CVE-2020-11869
LOW3.3

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.

Published: 2020-04-27Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xLOW 3.3
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
CVE-2020-13659
LOW2.5

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

Published: 2020-06-02Modified: 2024-11-21
CVSS 2.0LOW 1.9
CVSS:2.0/AV:L/AC:M/Au:N/C:N/I:N/A:P
CVSS 3.xLOW 2.5
CVSS:3.x/CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L
References
CVE-2020-13800
MEDIUM6.0

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.

Published: 2020-06-04Modified: 2024-11-21
CVSS 2.0MEDIUM 4.9
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS 3.xMEDIUM 6.0
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
References
CVE-2020-14415
LOW3.3

oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.

Published: 2020-08-27Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xLOW 3.3
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
CVE-2020-15859
LOW3.3

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.

Published: 2020-07-21Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xLOW 3.3
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
CVE-2020-1711
MEDIUM6.0

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.

Published: 2020-02-11Modified: 2024-11-21
CVSS 2.0MEDIUM 6.0
CVSS:2.0/AV:N/AC:M/Au:S/C:P/I:P/A:P
CVSS 3.xMEDIUM 6.0
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
References
CVE-2020-24165
HIGH8.8

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.

Published: 2023-08-28Modified: 2024-11-21
CVSS 3.xHIGH 8.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
CVE-2020-24352
MEDIUM5.5

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.

Published: 2020-10-16Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
CVE-2020-7039
MEDIUM5.6

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

Published: 2020-01-16Modified: 2024-11-21
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS 3.xMEDIUM 5.6
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
References
CVE-2020-7211
HIGH7.5

tftp.c in libslirp 4.1.0, as used in QEMU 4.2.0, does not prevent ..\ directory traversal on Windows.

Published: 2020-01-21Modified: 2024-11-21
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
CVE-2021-20221
MEDIUM6.0

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.

Published: 2021-05-13Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 6.0
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
References
CVE-2021-20295
MEDIUM6.5

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.

Published: 2022-04-01Modified: 2024-11-21
CVSS 2.0LOW 2.1
CVSS:2.0/AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
References