CVE-2018-10981: debian debian_linux Loop with Unreachable Exit Condition
Vulnerability summary
CVE-2018-10981 is a medium (CVSS 6.5) Loop with Unreachable Exit Condition vulnerability in debian debian_linux. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.5% of scored vulnerabilities.
Not severe (CVSS 6.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 10-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (host OS infinite loop) in situations where a QEMU device model attempts to make invalid transitions between states of a request.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.43% 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
- xen< 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6
- debian_linuxEOL7.0 | 8.0 | 9.0
Alpine1 product
- xen< 4.10.1-r1 | < 4.6.6-r5 | < 4.7.3-r9 | < 4.8.3-r1 | < 4.9.2-r2
Ubuntu1 product
- xenAll versions (No fix recorded)
Xen1 product
- xen≤ 4.10.1
4 vendors · 5 products
References
11 links
lists.debian.org/debian-lts-announce/2018/05/msg00015.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2018/10/msg00021.htmlMailing ListX Refsource MLISTThird Party Advisory
- openwall.com/lists/oss-security/2018/05/08/3X Refsource CONFIRMMailing ListPatchThird Party AdvisoryREPORT