CVE-2017-18043: canonical ubuntu_linux Integer Overflow or Wraparound
Vulnerability summary
CVE-2017-18043 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.4% 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 5 · Related 3Timeline
- 31-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Integer overflow in the macro ROUND_UP (n, d) in Quick Emulator (Qemu) allows a user to cause a denial of service (Qemu process crash).
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.44% 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.
Debian2 products
- qemu< 1:2.10.0+dfsg-2
- debian_linuxEOL9.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
Qemu1 product
- qemu≥ 1.5.0, ≤ 2.10.1
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.39 | < 1:2.5+dfsg-5ubuntu10.22
4 vendors · 5 products
References
10 links
lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory- www.openwall.com/lists/oss-security/2018/01/19/1Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- git.qemu.org?p=qemu.git%3Ba=commit%3Bh=2098b073f398cd628c09c5a78537a6854X Refsource CONFIRM