Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-5165

28
FAUCET Score

CVE-2015-5165 describes a heap memory disclosure vulnerability in the QEMU RTL8139 network card device model, specifically affecting Xen 4.5.x and earlier, as well as various Linux distributions including Arista, Debian, Fedora, Oracle, Red Hat, and SUSE. This critical vulnerability (CVSS 9.3) allows remote attackers to read process heap memory through unspecified vectors, indicating a high potential for data compromise with moderate attack complexity. While not listed on CISA's KEV catalog and lacking public exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, suggesting awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.5.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
4.5.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
13.29%
Probability of exploitation in next 30 days
EPSS Percentile
96.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1329 is in the 79th percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

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 redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-2:0.12.1.2-2.479.el6_7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm-10:1.5.3-86.el7_1.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.8
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.1
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.8
View patch
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

Vendor Advisories (1)

redhatCVE-2015-5165Moderate

Qemu: rtl8139 uninitialized heap memory information leakage to guest (XSA-140)

Aug 3, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-September/165373.html
Issue TrackingMailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-September/167792.html
Issue TrackingMailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-September/167820.html
Issue TrackingMailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-08/msg00018.html
Issue TrackingMailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-09/msg00027.html
Issue TrackingMailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-1674.html
Issue TrackingThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-1683.html
Issue TrackingThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-1739.html
Issue TrackingThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-1740.html
Issue TrackingThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-1793.html
Issue TrackingThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-1833.html
Issue TrackingThird Party Advisory
support.citrix.com / article/CTX201717
Broken LinkThird Party Advisory
arista.com / en/support/advisories-notices/security-advisories/1180-security-advisory-13
Third Party Advisory
debian.org / security/2015/dsa-3348
Third Party Advisory
debian.org / security/2015/dsa-3349
Third Party Advisory
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
Third Party Advisory
securityfocus.com / bid/76153
Third Party AdvisoryVDB Entry
securitytracker.com / id/1033176
Third Party AdvisoryVDB Entry
xenbits.xen.org / xsa/advisory-140.html
PatchVendor Advisory