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Ubuntu.comUB:CVE-2020-17380
HistoryAug 14, 2020 - 12:00 a.m.

CVE-2020-17380

2020-08-1400:00:00
ubuntu.com
ubuntu.com
10

6.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

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

0.001 Low

EPSS

Percentile

17.8%

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.

Bugs

Notes

Author Note
mdeslaur see if there are other relevant commits
OSVersionArchitecturePackageVersionFilename
ubuntu21.04noarchqemu< 1:5.2+dfsg-2ubuntu1UNKNOWN
ubuntuupstreamnoarchqemu< 1:5.2+dfsg-1UNKNOWN
ubuntu18.04noarchqemu< 1:2.11+dfsg-1ubuntu7.34UNKNOWN
ubuntu20.04noarchqemu< 1:4.2-3ubuntu6.10UNKNOWN
ubuntu20.10noarchqemu< 1:5.0-5ubuntu9.2UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.48UNKNOWN
ubuntu14.04noarchqemu< anyUNKNOWN
ubuntu22.04noarchqemu< 1:5.2+dfsg-2ubuntu1UNKNOWN
ubuntuupstreamnoarchqemu< 1:5.2+dfsg-2ubuntu1UNKNOWN
ubuntuupstreamnoarchqemu< 1:5.2+dfsg-2ubuntu1UNKNOWN
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6.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

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

0.001 Low

EPSS

Percentile

17.8%

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