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CVE-2017-2620

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue.

Impact

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.

Affected products

VendorProductAffected versions
QemuQemu
before 2.8.0
CitrixXenserver
Versions 6.0.2, 6.2.0, 6.5, 7.0, 7.1
RedhatOpenstack
Versions 5.0, 6.0, 7.0, 8, 9, 10
DebianDebian Linux
Version 7.0
RedhatEnterprise Linux Desktop
Versions 6.0, 7.0
RedhatEnterprise Linux Server
Versions 6.0, 7.0
RedhatEnterprise Linux Server Aus
Versions 7.3, 7.4
RedhatEnterprise Linux Server Eus
Versions 7.3, 7.4, 7.5
RedhatEnterprise Linux Workstation
Versions 6.0, 7.0
XenXen
through 4.7.1
Version 4.7.1

Weakness classification

CWE-787CWE-125

References