CVE-2020-25085: Buffer Overflow
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/qemuto a version that resolves this vulnerability.Fixed in 1:5.2+dfsg-11+deb11u3Fixed in 1:5.2+dfsg-11+deb11u2Fixed in 1:7.2+dfsg-7+deb12u7Fixed in 1:9.0.2+ds-2Fixed in 1:9.1.0+ds-3 - Upgrade
Upgrade
alpine/qemuto a version that resolves this vulnerability.Fixed in 5.1.0-r1
Event History
Frequently Asked Questions
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.
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.
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.
What versions of QEMU are vulnerable to CVE-2020-25085?
QEMU version 5.0.0 is specifically identified as vulnerable to CVE-2020-25085.
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.