CVE-2017-7718: debian debian_linux Out-of-bounds Read
Vulnerability summary
CVE-2017-7718 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.8% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 24 · Related 11Timeline
- 20-04-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.
CVSS metrics
6 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.50% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat5 products
- qemu-img-rhev< 10:2.6.0-28.el7_3.10
- qemu-kvm-common-rhev< 10:2.6.0-28.el7_3.10
- qemu-kvm-rhev< 10:2.6.0-28.el7_3.10
- qemu-kvm-rhev-debuginfo< 10:2.6.0-28.el7_3.10
- qemu-kvm-tools-rhev< 10:2.6.0-28.el7_3.10
Debian2 products
- qemu< 1:2.8+dfsg-4
- debian_linuxEOL8.0
Qemu1 product
- qemu≤ 2.8.1.1 | 2.9.0:rc0
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.34 | < 1:2.5+dfsg-5ubuntu10.14
4 vendors · 9 products
References
26 links- bugzilla.redhat.com/show_bug.cgi?id=1443441X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory- access.redhat.com/errata/RHSA-2017:1431Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
Show all 26 references
- www.openwall.com/lists/oss-security/2017/04/19/4Mailing ListX Refsource MLISTPatchThird Party Advisory
