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CVE-2015-6815

17
FAUCET Score

CVE-2015-6815 is a denial-of-service vulnerability affecting QEMU versions prior to 2.4.0.1, specifically within the process_tx_desc function, and impacts products from vendors like Arista, Canonical, Fedora, Novell, Red Hat, and Xen. The vulnerability, rated with a CVSS score of 3.5 (Low), allows an attacker on the same network with low privileges to trigger an infinite loop and guest crash. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.0.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
23CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.98%
Probability of exploitation in next 30 days
EPSS Percentile
58.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0098 is in the 93rd percentile among its peer group of 85 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

redhatpatch availablevia nvd_reference
View patch
susepatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm-rhev
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: qemu-kvm-rhev
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: qemu-kvm-rhev
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: qemu-kvm-rhev
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xen
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm

Vendor Advisories (1)

redhatCVE-2015-6815Low

qemu: net: e1000: infinite loop issue

Sep 5, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-October/168077.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-October/168646.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-October/168671.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-10/msg00026.html
Mailing ListPatchThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-11/msg00005.html
Mailing ListPatchThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-11/msg00011.html
Mailing ListPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
lists.gnu.org / archive/html/qemu-devel/2015-09/msg01199.html
Mailing ListPatchThird Party Advisory
lists.gnu.org / archive/html/qemu-devel/2015-09/msg05832.html
Mailing ListPatchThird Party Advisory
arista.com / en/support/advisories-notices/security-advisories/1188-security-advisory-14
Third Party Advisory
openwall.com / lists/oss-security/2015/09/04/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2015/09/05/5
Mailing ListThird Party Advisory
ubuntu.com / usn/USN-2745-1
Third Party Advisory