CVE-2015-5278: arista eos Loop with Unreachable Exit Condition
Vulnerability summary
CVE-2015-5278 is a medium (CVSS 6.5) Loop with Unreachable Exit Condition vulnerability in arista eos. EPSS estimates a 2.28% chance of exploitation in the next 30 days, higher than 83.1% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 10Timeline
- 23-01-2020PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute arbitrary code via vectors related to receiving packets.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.28%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
Decrease -0.06 pp
From 2.34% 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: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Arista1 product
- eos4.12 | 4.13 | 4.14 | 4.15
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.04
Debian1 product
- qemu< 1:2.4+dfsg-3
Fedoraproject1 product
- fedoraEOL21 | 22 | 23
Qemu1 product
- qemu< 2.4.0.1
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.19
6 vendors · 6 products
References
12 links- lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.htmlX Refsource MISCMailing ListThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.htmlX Refsource MISCMailing ListThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.htmlX Refsource MISCMailing ListThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2015-09/msg05832.htmlX Refsource MISCMailing ListThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2015-09/msg03985.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2015/09/15/2X Refsource MISCMailing ListPatchThird Party AdvisoryREPORT
- www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14X Refsource MISCThird Party Advisory
