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CVE-2015-5745

24
FAUCET Score

CVE-2015-5745 describes a buffer overflow in QEMU's virtio-serial-bus component, affecting QEMU and products like Arista EOS and Fedora that incorporate it. This vulnerability, rated Medium (CVSS 6.5), allows a guest user to trigger a denial of service by sending a crafted virtio control message, leading to a QEMU process crash. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.0CPE 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:*:*:*:*:*:*:*
4.12CPE matchmatch criteria
cpe:2.3:o:arista:eos:4.12:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.01%
Probability of exploitation in next 30 days
EPSS Percentile
86.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0301 is in the 95th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
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-guest-agent
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm
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 OpenStack Platform 4Fixed in: qemu-kvm-rhev

Vendor Advisories (1)

redhatCVE-2015-5745Low

kernel: qemu buffer overflow in virtio-serial

Jul 23, 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
github.com / qemu/qemu/commit/7882080388be5088e72c425b02223c02e6cb4295
PatchThird Party Advisory
lists.gnu.org / archive/html/qemu-devel/2015-07/msg05458.html
Mailing ListPatchThird Party Advisory
arista.com / en/support/advisories-notices/security-advisories/1180-security-advisory-13
Third Party Advisory
openwall.com / lists/oss-security/2015/08/06/3
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2015/08/06/5
ExploitMailing ListThird Party Advisory