CVE-2020-25085

MEDIUM

QEMU 5.0.0 - Heap-based Buffer Overflow in SDHC_BLKSIZE Write Operation

Title source: llm
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.launchpad.net/qemu/+bug/1892960
Mailing List, Patch, Third Party Advisory x_refsource_confirm
http://www.openwall.com/lists/oss-security/2020/09/16/6
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20201009-0005/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/03/09/1
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Scores

CVSS v3 5.0
EPSS 0.0016
EPSS Percentile 36.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

Details

CWE
CWE-787
Status published
Products (3)
debian/debian_linux 9.0
debian/debian_linux 10.0
qemu/qemu 5.0.0
Published Sep 25, 2020
Tracked Since Feb 18, 2026