CVE-2020-25084: Use After Free
First published: Fri Sep 25 2020(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.0.2+ds-2 1:9.1.0+ds-3 | |
| QEMU KVM | =5.0.0 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://www.openwall.com/lists/oss-security/2020/09/16/5
- https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08050.html
- https://security.netapp.com/advisory/ntap-20201009-0005/
- https://launchpad.net/bugs/cve/CVE-2020-25084
- https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08043.html
- https://www.openwall.com/lists/oss-security/2020/09/16/5
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fxhci_uaf_2
- https://git.qemu.org/?p=qemu.git;a=commit;h=21bc31524e8ca487e976f713b878d7338ee00df2
- https://security-tracker.debian.org/tracker/CVE-2020-25084
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25084
- https://nvd.nist.gov/vuln/detail/CVE-2020-25084
- https://ubuntu.com/security/CVE-2020-25084
Frequently Asked Questions
What is the severity of CVE-2020-25084?
CVE-2020-25084 is classified as a moderate severity vulnerability due to its use-after-free condition in the QEMU USB handling code.
How do I fix CVE-2020-25084?
To mitigate CVE-2020-25084, update QEMU to a patched version such as 1:5.2+dfsg-11+deb11u3 or later.
What versions of QEMU are affected by CVE-2020-25084?
CVE-2020-25084 affects QEMU version 5.0.0 specifically.
Can CVE-2020-25084 cause system crashes?
Yes, CVE-2020-25084's use-after-free condition can potentially lead to system instability or crashes.
Is this vulnerability specific to any operating systems?
CVE-2020-25084 primarily affects Debian-based systems using the vulnerable QEMU versions.
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/usn-cve
- source/Ubuntu
- agent/remedy
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- agent/author
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- package-manager/debian
- vendor/qemu
- canonical/qemu kvm
- version/qemu kvm/5.0.0
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- version/debian gnu/linux/10.0