CVE-2020-25085

low-risk
Published 2020-09-25

QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.

Do I need to act?

-
0.16% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.0/10 Medium
LOCAL / HIGH complexity

Affected Products (3)

Affected Vendors

Debian Qemu

References (14)

Mailing List http://www.openwall.com/lists/oss-security/2020/09/16/6
Mailing List http://www.openwall.com/lists/oss-security/2021/03/09/1
Exploit https://bugs.launchpad.net/qemu/+bug/1892960
Mailing List https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
Mailing List https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Mailing List https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20201009-0005/
Mailing List http://www.openwall.com/lists/oss-security/2020/09/16/6
Mailing List http://www.openwall.com/lists/oss-security/2021/03/09/1
Exploit https://bugs.launchpad.net/qemu/+bug/1892960
Mailing List https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
Mailing List https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Mailing List https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20201009-0005/
23
/ 100
low-risk
Severity 13/34 · Low
Exploitability 1/34 · Minimal
Exposure 9/34 · Low