CVE-2017-8380: qemu
Vulnerability summary
CVE-2017-8380 is a critical (CVSS 9.8) vulnerability in qemu. EPSS estimates a 3.91% chance of exploitation in the next 30 days, higher than 90.3% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 28-08-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the "megasas_mmio_write" function in Qemu 2.9.0 allows remote attackers to have unspecified impact via unknown vectors.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.91%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.91% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- qemu< 1:2.8+dfsg-5
Qemu1 product
- qemu2.9.0
Ubuntu1 product
- qemu< 1:2.5+dfsg-5ubuntu10.15
3 vendors · 3 products
References
7 links- security.gentoo.org/glsa/201706-03Vendor AdvisoryX Refsource GENTOOIssue TrackingThird Party AdvisoryVDB Entry
- lists.gnu.org/archive/html/qemu-devel/2017-04/msg04147.htmlX Refsource CONFIRMPatchThird Party AdvisoryREPORT