CVE-2020-13253
qemu - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.12%
Description
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.
How to fix CVE-2020-13253
To remediate CVE-2020-13253, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:5.0-8 or later
- —upgrade to 1:2.8+dfsg-6+deb9u11 or later
- —upgrade to 1:3.1+dfsg-8+deb10u9 or later
Is CVE-2020-13253 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1:5.0-8
- from 0, < 1:2.8+dfsg-6+deb9u11
- from 0, < 1:3.1+dfsg-8+deb10u9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |