What’s Vulnerable › Vulnerabilities

CVE-2020-25085

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-25 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Debian Linux: 9.0, 10.0
• QEMU: 5.0.0

References

• http://www.openwall.com/lists/oss-security/2020/09/16/6
• http://www.openwall.com/lists/oss-security/2021/03/09/1
• https://bugs.launchpad.net/qemu/+bug/1892960
• https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
• https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
• https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html
• https://security.netapp.com/advisory/ntap-20201009-0005/
• http://www.openwall.com/lists/oss-security/2020/09/16/6
• http://www.openwall.com/lists/oss-security/2021/03/09/1
• https://bugs.launchpad.net/qemu/+bug/1892960
• https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
• https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

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