qemu: virtio: insufficient validation of num_sg when mapping
Published Feb 11, 2020
8.8
HIGHCVSS 3.1
EPSS 0.96%
Description
The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.
Affected products
- Vendor n/a Product QEMU Defaultn/a
- Version before 1.7.2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | QEMU | n/a |
|
Configuration 2
- 3.0
- 6.0
- 6.0
- 6.5
- 6.0
No data.
OpenStack 3 for RHEL 6
qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.10
Fixed · RHSA-2014:0888
OpenStack 4 for RHEL 6
qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.10
Fixed · RHSA-2014:0888
RHEV 3.X Hypervisor and Agents for RHEL-6
qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.10
Fixed · RHSA-2014:0744
RHEV 3.X Hypervisor and Agents for RHEL-6
rhev-hypervisor6-0:6.5-20140603.2.el6ev
Fixed · RHSA-2014:0674
Red Hat Enterprise Linux 6
qemu-kvm-2:0.12.1.2-2.415.el6_5.10
Fixed · RHSA-2014:0743
Red Hat Enterprise Linux 7
qemu-kvm-10:1.5.3-60.el7_0.5
Fixed · RHSA-2014:0927
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7
qemu-kvm-rhev-10:1.5.3-60.el7_0.7
Fixed · RHSA-2014:1268
Red Hat Enterprise Linux 5
kvm
Will not fix
Red Hat Enterprise Linux 6
qemu-kvm-rhev
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack 3 for RHEL 6 | qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.10 | Fixed | RHSA-2014:0888 |
| OpenStack 4 for RHEL 6 | qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.10 | Fixed | RHSA-2014:0888 |
| RHEV 3.X Hypervisor and Agents for RHEL-6 | qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.10 | Fixed | RHSA-2014:0744 |
| RHEV 3.X Hypervisor and Agents for RHEL-6 | rhev-hypervisor6-0:6.5-20140603.2.el6ev | Fixed | RHSA-2014:0674 |
| Red Hat Enterprise Linux 6 | qemu-kvm-2:0.12.1.2-2.415.el6_5.10 | Fixed | RHSA-2014:0743 |
| Red Hat Enterprise Linux 7 | qemu-kvm-10:1.5.3-60.el7_0.5 | Fixed | RHSA-2014:0927 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | qemu-kvm-rhev-10:1.5.3-60.el7_0.7 | Fixed | RHSA-2014:1268 |
| Red Hat Enterprise Linux 5 | kvm | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm-rhev | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.96% (0.00957) | 60.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.96% (0.00957) | 56.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.38% (0.00380) | 57.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.22% (0.00222) | 61.43th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.22% (0.00222) | 60.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00110) | 42.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
References (9)
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=36cf2a37132c7f01fa9adb5f95f5312b27742fd4 x_refsource_MISC
- http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133345.html x_refsource_MISCThird Party Advisory
- http://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.html x_refsource_MISCThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0743.html x_refsource_MISCThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0744.html x_refsource_MISCThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-4535 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1066401 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-4535
- https://www.cve.org/CVERecord?id=CVE-2013-4535
| Link | Providers | Tags |
|---|---|---|
| http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=36cf2a37132c7f01fa9adb5f95f5312b27742fd4 | x_refsource_MISC | |
| http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133345.html | x_refsource_MISCThird Party Advisory | |
| http://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.html | x_refsource_MISCThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2014-0743.html | x_refsource_MISCThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2014-0744.html | x_refsource_MISCThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-4535 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1066401 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4535 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4535 |
Change history (0)
No recorded changes yet.