CVE-2014-3471: qemu Use After Free
Vulnerability summary
CVE-2014-3471 is a medium (CVSS 5.5) Use After Free vulnerability in qemu. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.8% 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 1 · Related 1Timeline
- 12-01-2018PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices.
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
0.40%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.40% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- qemu< 2.1+dfsg-1
Qemu1 product
- qemu≤ 2.1.2 | 2.1.2:r1
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.3
3 vendors · 3 products
References
9 links- www.openwall.com/lists/oss-security/2014/06/23/4Mailing ListX Refsource MLISTPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1112271X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2014-06/msg05283.htmlMailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT