CVE-2020-25085: Buffer Overflow
Published Sep 25, 2020
·Updated
Last updated 24 July 2024
Other sources
QEMU 5.0.0 has a heap-based Buffer Overflow in flatviewreadcontinue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHCBLKSIZE case.
Affected Software
4 affected componentsFixes available
debian/qemu
1:5.2+dfsg-11+deb11u31:5.2+dfsg-11+deb11u21:7.2+dfsg-7+deb12u71:9.0.2+ds-21:9.1.0+ds-3
Qemu Qemu=5.0.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Remediation
Patch Available
Patch Available
Patch Available
Event History
Sep 25, 2020
CVE Published
via MITRE·04:09 AM
Data Sourced
via MITRE·04:09 AM
Description
Data Sourced
via NVD·05:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:45 PM
Description
Sep 13, 2024
Data Sourced
via Ubuntu·02:13 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2020-25085?
CVE-2020-25085 has been classified as a high-severity vulnerability due to its potential for a heap-based buffer overflow.
2
How does CVE-2020-25085 affect the QEMU software?
CVE-2020-25085 affects QEMU version 5.0.0 by allowing a heap-based buffer overflow through mishandled write operations in specific cases.
3
How do I fix CVE-2020-25085?
To fix CVE-2020-25085, update QEMU to a version that is not vulnerable, such as those later than 5.0.0.
4
What versions of QEMU are vulnerable to CVE-2020-25085?
QEMU version 5.0.0 is specifically identified as vulnerable to CVE-2020-25085.
5
Is CVE-2020-25085 specific to the Debian operating system?
CVE-2020-25085 affects the QEMU package on Debian, highlighting the importance of keeping your Debian system and packages updated.