CVE-2015-6815: arista eos Loop with Unreachable Exit Condition
Vulnerability summary
CVE-2015-6815 is a low (CVSS 3.5) Loop with Unreachable Exit Condition vulnerability in arista eos. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 62.3% of scored vulnerabilities.
Not severe (CVSS 3.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 9Timeline
- 31-01-2020PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.98%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.98% 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: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Novell4 products
- suse_linux_enterprise_debuginfo11.0:sp3 | 11.0:sp4
- suse_linux_enterprise_desktop11.0:sp3 | 11.0:sp4 | 12.0
- suse_linux_enterprise_serverEOL11.0:sp3 | 11.0:sp4 | 12.0
- suse_linux_enterprise_software_development_kit11.0:sp3 | 11.0:sp4 | 12.0
Redhat2 products
- enterprise_linuxEOL5.0 | 6.0 | 7.0
- openstack5.0 | 6.0 | 7.0
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-2
Fedoraproject1 product
- fedoraEOL21 | 22 | 23
Qemu1 product
- qemu< 2.4.0.1
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.19
Xen1 product
- xen4.4.3 | 4.5.1
9 vendors · 13 products
References
17 links- lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- 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.opensuse.org/opensuse-security-announce/2015-11/msg00005.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2015/09/04/4X Refsource MISCMailing ListThird Party AdvisoryREPORT
Show all 17 references
- lists.gnu.org/archive/html/qemu-devel/2015-09/msg01199.htmlX Refsource CONFIRMMailing ListPatchThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2015-09/msg05832.htmlX Refsource CONFIRMMailing ListPatchThird Party Advisory
- www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14X Refsource MISCThird Party Advisory