CVE-2012-3515 json
Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS g…
published 2012-11-23 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3470
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS guest users to gain privileges via a crafted escape VT100 sequence that triggers the overwrite of a "device model's address space."
Patch / fix
- qemu qemu 1.2.0
- xen Debian 14, Debian 13, Debian 12 4.1.3-2
- qemu Debian 14, Debian 13, Debian 12 1.1.2+dfsg-1
debian advisories DEBIAN-CVE-2012-3515
- xen RHEL 5 VIRTUALIZATION, RHEL 5 3.0.3-135.el5_8.5
- xen-libs RHEL 5 3.0.3-135.el5_8.5
- kvm RHEL 5 VIRTUALIZATION 83-249.el5_8.5
- kmod-kvm RHEL 5 VIRTUALIZATION 83-249.el5_8.5
- kvm-tools RHEL 5 VIRTUALIZATION 83-249.el5_8.5
- kvm-qemu-img RHEL 5 VIRTUALIZATION 83-249.el5_8.5
- rhev-hypervisor6 RHEL 6 6.3-20120926.0.el6_3
- qemu-kvm RHEL 6 2:0.12.1.2-2.295.el6_3.2
red hat advisories RHSA-2012:1236RHSA-2012:1235RHSA-2012:1325RHSA-2012:1234RHSA-2012:1233
- qemu openSUSE Tumbleweed 2.6.1-1.5
- qemu-linux-user openSUSE Tumbleweed 2.6.1-1.5
opensuse advisories openSUSE-SU-2024:10233-1openSUSE-SU-2024:10285-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2012-3515 updated cvss 7.4
qemu: VT100 emulation vulnerability
-
Red Hat Enterprise Linux 5 kvmaffected: no fix available
-
Red Hat Enterprise Linux (v. 5 server) xen 3.0.3-135.el5_8.5, xen-libs 3.0.3-135.el5_8.5 Red Hat Enterprise Linux Desktop (v. 5 client) xen 3.0.3-135.el5_8.5, xen-libs 3.0.3-135.el5_8.5fixed: vendor fix RHSA-2012:1236
-
Red Hat Enterprise Linux Desktop (v. 6) qemu-img 0.12.1.2-2.295.el6_3.2, qemu-kvm 0.12.1.2-2.295.el6_3.2, qemu-kvm-tools 0.12.1.2-2.295.el6_3.2, qemu-guest-agent 0.12.1.2-2.295.el6_3.2 Red Hat Enterprise Linux HPC Node (v. 6) qemu-img 0.12.1.2-2.295.el6_3.2, qemu-kvm 0.12.1.2-2.295.el6_3.2, qemu-kvm-tools 0.12.1.2-2.295.el6_3.2, qemu-guest-agent 0.12.1.2-2.295.el6_3.2 Red Hat Enterprise Linux Server (v. 6) qemu-img 0.12.1.2-2.295.el6_3.2, qemu-kvm 0.12.1.2-2.295.el6_3.2, qemu-kvm-tools 0.12.1.2-2.295.el6_3.2, qemu-guest-agent 0.12.1.2-2.295.el6_3.2 Red Hat Enterprise Linux Workstation (v. 6) qemu-img 0.12.1.2-2.295.el6_3.2, qemu-kvm 0.12.1.2-2.295.el6_3.2, qemu-kvm-tools 0.12.1.2-2.295.el6_3.2, qemu-guest-agent 0.12.1.2-2.295.el6_3.2fixed: vendor fix RHSA-2012:1234
-
Red Hat RHEL Desktop Multi OS (v. 5 client) kvm 83-249.el5_8.5, xen 3.0.3-135.el5_8.5, kmod-kvm 83-249.el5_8.5, kvm-tools 83-249.el5_8.5, kvm-qemu-img 83-249.el5_8.5 Red Hat RHEL Virtualization (v. 5 server) kvm 83-249.el5_8.5, xen 3.0.3-135.el5_8.5, kmod-kvm 83-249.el5_8.5, kvm-tools 83-249.el5_8.5, kvm-qemu-img 83-249.el5_8.5fixed: vendor fix RHSA-2012:1236
-
Red Hat RHEV Agents (vdsm) qemu-img-rhev 0.12.1.2-2.295.el6_3.2, qemu-kvm-rhev 0.12.1.2-2.295.el6_3.2, qemu-kvm-rhev-tools 0.12.1.2-2.295.el6_3.2fixed: vendor fix RHSA-2012:1233
-
Red Hat RHEV Hypervisor for RHEL-6 rhev-hypervisor6 6.3-20120926.0.el6_3fixed: vendor fix RHSA-2012:1325
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
rhn.redhat.com
/errata/RHSA-2012-1234.html
vendor-advisory, third-party-advisory
-
security.gentoo.org
/glsa/glsa-201309-24.xml
vendor-advisory, third-party-advisory
-
debian.org
/security/2012/dsa-2543
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00005.html
vendor-advisory, mailing-list, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2012-1325.html
vendor-advisory, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2012-1236.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00027.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00024.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-11/msg00017.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00016.html
vendor-advisory, mailing-list, third-party-advisory
-
ubuntu.com
/usn/USN-1590-1
vendor-advisory, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2012-1262.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-updates/2012-09/msg00051.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00026.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00012.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00018.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-10/msg00002.html
vendor-advisory, mailing-list, third-party-advisory
-
security.gentoo.org
/glsa/201604-03
vendor-advisory
-
rhn.redhat.com
/errata/RHSA-2012-1233.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00003.html
vendor-advisory, mailing-list, third-party-advisory
-
debian.org
/security/2012/dsa-2545
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00001.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00004.html
vendor-advisory, mailing-list, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2012-1235.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-11/msg00018.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-09/msg00017.html
vendor-advisory, mailing-list, third-party-advisory
-
wiki.xen.org
/wiki/Security_Announcements#XSA-17_Qemu_VT100_emulation_vulnerability
vendor-advisory
-
lists.xen.org
/archives/html/xen-announce/2012-09/msg00003.html
mailing-list, vendor-advisory
-
secunia.com
/advisories/55082
third-party-advisory
-
secunia.com
/advisories/50528
third-party-advisory
-
secunia.com
/advisories/50530
third-party-advisory
- git.qemu.org /?p=qemu-stable-0.15.git%3Ba=log
-
secunia.com
/advisories/51413
third-party-advisory
-
secunia.com
/advisories/50689
third-party-advisory
-
secunia.com
/advisories/50632
third-party-advisory
-
secunia.com
/advisories/50913
third-party-advisory
-
secunia.com
/advisories/50472
third-party-advisory
-
securityfocus.com
/bid/55413
vdb-entry, third-party-advisory
-
support.citrix.com
/article/CTX134708
third-party-advisory
-
openwall.com
/lists/oss-security/2012/09/05/10
mailing-list, mitigation, third-party-advisory
-
secunia.com
/advisories/50860
third-party-advisory
Sources
- CVE List CVE-2012-3515
- NVD CVE-2012-3515
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.