Alpaquita LinuxStreamSecurity Advisory
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CVE-2017-2620

Published: August 31, 2023Last modified: August 31, 2023

Description

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Severity score breakdown

ParameterValue
Base score9.9
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredLOW
User interactionNONE
ScopeCHANGED
ConfidentialityHIGH
Integrity impactHIGH
Availability impactHIGH
VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSqemuNot affected (7.1.0-r4)
StreamqemuNot affected (8.0.4-r0)

References

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