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TI-2015-06741 Aliases CVE-2015-8104GHSA-878r-5qjm-6859

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows…

Priority MEDIUM 54CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 30 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.

Summary

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02481 84th percentileScored 2026-11-07
Fix Partial Red Hat: 7 advisoriesRed Hat: 30 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 26

CPEVersionsRoleVendor
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*4.3.0VulnerableXen
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*4.3.1VulnerableXen
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*4.3.2VulnerableXen
cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*4.3.3VulnerableXen
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*4.3.4VulnerableXen
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*4.4.0VulnerableXen
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*4.4.1VulnerableXen
cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*4.4.2VulnerableXen
cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*4.4.3VulnerableXen
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*4.5.0VulnerableXen
  • cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:* Versions 4.3.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:* Versions 4.3.4 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* Versions 4.5.0 Vulnerable ·Xen
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*4.5.1VulnerableXen
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*4.5.2VulnerableXen
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*4.6.0VulnerableXen
cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*4.6.1VulnerableXen
cpe:2.3:o:xen:xen:4.6.2:*:*:*:*:*:*:*4.6.2VulnerableXen
cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:*4.6.4VulnerableXen
cpe:2.3:o:xen:xen:4.6.5:*:*:*:*:*:*:*4.6.5VulnerableXen
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*4.0.0 – 4.0.34; 4.1.0 – 4.1.42; 4.2.0 – 4.2.34; 4.3.0 – 4.3.35; 5.0.0 – 5.0.13VulnerableOracle
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.2.3VulnerableLinux
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*15.04VulnerableCanonical
  • cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* Versions 4.5.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* Versions 4.5.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* Versions 4.6.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* Versions 4.6.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:* Versions 4.6.4 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.5:*:*:*:*:*:*:* Versions 4.6.5 Vulnerable ·Xen
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:* Versions 4.0.0 – 4.0.34; 4.1.0 – 4.1.42; 4.2.0 – 4.2.34; 4.3.0 – 4.3.35; 5.0.0 – 5.0.13 Vulnerable ·Oracle
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.2.3 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical

Remediation

Red Hat 7 advisories

  • RHSA-2016:0103 Released 2016-02-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) kernel-3.10.0-229.26.2.el7, kernel-abi-whitelists-3.10.0-229.26.2.el7, kernel-debug-3.10.0-229.26.2.el7 +7
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) kernel-tools-libs-devel-3.10.0-229.26.2.el7, python-perf-3.10.0-229.26.2.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.1) kernel-3.10.0-229.26.2.ael7b, kernel-3.10.0-229.26.2.el7, kernel-abi-whitelists-3.10.0-229.26.2.ael7b +20
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.1) kernel-debug-devel-3.10.0-229.26.2.ael7b, kernel-tools-libs-devel-3.10.0-229.26.2.ael7b, kernel-tools-libs-devel-3.10.0-229.26.2.el7 +2
  • RHSA-2016:0046 Released 2016-01-19 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 6.2) kernel-2.6.32-220.65.1.el6, kernel-debug-2.6.32-220.65.1.el6, kernel-debug-devel-2.6.32-220.65.1.el6 +5
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.2) kernel-2.6.32-220.65.1.el6, python-perf-2.6.32-220.65.1.el6
  • RHSA-2016:0024 Released 2016-01-12 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux HPC Node EUS (v. 6.6) kernel-2.6.32-504.40.1.el6, kernel-abi-whitelists-2.6.32-504.40.1.el6, kernel-debug-2.6.32-504.40.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.6) python-perf-2.6.32-504.40.1.el6
    • Red Hat Enterprise Linux Server EUS (v. 6.6) kernel-2.6.32-504.40.1.el6, kernel-abi-whitelists-2.6.32-504.40.1.el6, kernel-bootwrapper-2.6.32-504.40.1.el6 +9
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.6) python-perf-2.6.32-504.40.1.el6
Show 4 more Red Hat advisories
  • RHSA-2016:0004 Released 2016-01-07 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 6.4) kernel-2.6.32-358.69.1.el6, kernel-debug-2.6.32-358.69.1.el6, kernel-debug-devel-2.6.32-358.69.1.el6 +5
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.4) kernel-2.6.32-358.69.1.el6, python-perf-2.6.32-358.69.1.el6
  • RHSA-2015:2645 Released 2015-12-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 6.5) kernel-2.6.32-431.68.1.el6, kernel-abi-whitelists-2.6.32-431.68.1.el6, kernel-debug-2.6.32-431.68.1.el6 +6
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.5) kernel-2.6.32-431.68.1.el6, python-perf-2.6.32-431.68.1.el6
  • RHSA-2015:2636 Released 2015-12-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-debug-2.6.32-573.12.1.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-573.12.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-debug-2.6.32-573.12.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-573.12.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-bootwrapper-2.6.32-573.12.1.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-573.12.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-debug-2.6.32-573.12.1.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-573.12.1.el6
  • RHSA-2015:2552 Released 2015-12-08 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-327.3.1.el7, kernel-abi-whitelists-3.10.0-327.3.1.el7, kernel-debug-3.10.0-327.3.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.3.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-327.3.1.el7, kernel-abi-whitelists-3.10.0-327.3.1.el7, kernel-debug-3.10.0-327.3.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.3.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-327.3.1.el7, kernel-abi-whitelists-3.10.0-327.3.1.el7, kernel-bootwrapper-3.10.0-327.3.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-327.3.1.el7, kernel-tools-libs-devel-3.10.0-327.3.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-327.3.1.el7, kernel-abi-whitelists-3.10.0-327.3.1.el7, kernel-debug-3.10.0-327.3.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.3.1.el7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux ComputeNode EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux HPC Node EUS (v. 6.6)Fixed RHSA-2016:0024
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.6)Fixed RHSA-2016:0024
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux Server AUS (v. 6.2)Fixed RHSA-2016:0046
Red Hat Enterprise Linux Server AUS (v. 6.4)Fixed RHSA-2016:0004
Red Hat Enterprise Linux Server AUS (v. 6.5)Fixed RHSA-2015:2645
Red Hat Enterprise Linux Server EUS (v. 6.6)Fixed RHSA-2016:0024
Red Hat Enterprise Linux Server EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux Server Optional AUS (v. 6.2)Fixed RHSA-2016:0046
Red Hat Enterprise Linux Server Optional AUS (v. 6.4)Fixed RHSA-2016:0004
Red Hat Enterprise Linux Server Optional AUS (v. 6.5)Fixed RHSA-2015:2645
Red Hat Enterprise Linux Server Optional EUS (v. 6.6)Fixed RHSA-2016:0024
Red Hat Enterprise Linux Server Optional EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:2552
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:2552
Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-8104
  2. 2026-10-03 Alias added: GHSA-878r-5qjm-6859

References

Patch 5

Advisory 34

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences