ALPINE-CVE-2017-2620
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 27 Jul 2018, 19:29
Last modified:03 Dec 2025, 22:40
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.9 CRITICAL
3.0 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
27 Jul 2018, 19:29
Published
Vulnerability first disclosed
03 Dec 2025, 22:40
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•CRITICAL•Score: 9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Systems
- alpine•qemu
< 2.8.1-r1 | < 2.8.1.1-r0 | < 2.8.1-r1 | < 2.8.1-r1 | < 2.8.1-r1 | < 2.8.1-r1
- alpine•xen
< 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.6.3-r8 | < 4.6.3-r10 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5 | < 4.7.1-r5