CVE-2017-2615: citrix xenserver Out-of-bounds Write
Vulnerability summary
CVE-2017-2615 is a critical (CVSS 9.1) Out-of-bounds Write vulnerability in citrix xenserver. EPSS estimates a 3.65% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities.
Not severe (CVSS 5.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 28 · Related 13Timeline
- 02-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.
CVSS metrics
6 scores · 5 sources · 2 versions- CVE.orgCNA5.5MediumCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:LDiffers
- OSV · AlpineEcosystem advisory · calculated9.1CriticalCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:LDiffers
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
3.65%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.65% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.3 | 7.4
- enterprise_linux_server_eus7.3 | 7.4 | 7.5
- enterprise_linux_workstation6.0 | 7.0
Alpine2 products
- qemu< 2.8.1-r1 | < 2.8.1.1-r0
- xen< 4.7.1-r5 | < 4.6.3-r8 | < 4.6.3-r10
Debian2 products
- qemu< 1:2.8+dfsg-3
- debian_linuxEOL7.0
Ubuntu2 products
- qemu< 2.0.0+dfsg-2ubuntu1.33 | < 1:2.5+dfsg-5ubuntu10.11
- xen< 4.4.2-0ubuntu0.14.04.11
Citrix1 product
- xenserver6.0.2 | 6.2.0:sp1 | 6.5:sp1 | 7.0 | 7.1
Xen1 product
- xen≤ 4.7.1 | 4.7.1:r1 | 4.7.1:r2 | 4.7.1:r3 | 4.7.1:r4
7 vendors · 16 products
References
26 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2615X Refsource CONFIRMIssue TrackingThird Party Advisory
Show all 26 references
- lists.gnu.org/archive/html/qemu-devel/2017-02/msg00015.htmlMailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT