CVE-2017-7980: canonical ubuntu_linux
Vulnerability summary
CVE-2017-7980 is a high (CVSS 7.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 50% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 23 · Related 10Timeline
- 25-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.63% 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.
Redhat8 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.3 | 7.4 | 7.6
- enterprise_linux_server_eus7.3 | 7.4 | 7.5 | 7.6
- enterprise_linux_server_tus7.3 | 7.6
Debian2 products
- qemu< 1:2.8+dfsg-4
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 16.10 | 17.04
Qemu1 product
- qemu≤ 2.8
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.34 | < 1:2.5+dfsg-5ubuntu10.14
5 vendors · 13 products
References
22 links- www.openwall.com/lists/oss-security/2017/04/21/1Mailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory- security.gentoo.org/glsa/201706-03Vendor AdvisoryX Refsource GENTOOPatchThird Party AdvisoryVDB Entry
Show all 22 references
- bugzilla.redhat.com/show_bug.cgi?id=1430056X Refsource CONFIRMIssue TrackingPatchThird Party Advisory