Home/CVE/sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_wr
CVE

CVE-2020-13253

sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_wr

sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.

MEDIUM · CVSS 5.5 EPSS 0.00116
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

3
qemu<= 5.0.1
canonical ubuntu linuxall versions
debian linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 May 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2023:0761-1
suse-csafSUSE-SU-2022:0210-2
suse-csafopenSUSE-SU-2022:0210-1
suse-csafSUSE-SU-2022:0210-1
usnUSN-4467-2
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2020/05/27/2Mailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1838546Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.htmlMailing ListPatchThird Party Advisory
https://security.gentoo.org/glsa/202011-09Third Party Advisory
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