CVE-2020-27616
First published: Fri Nov 06 2020(Updated: )
ati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process.
Credit: cve@mitre.org 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-2 | |
| QEMU KVM | =4.2.1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2020/11/03/2
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05018.html
- https://security.netapp.com/advisory/ntap-20201202-0002/
- https://launchpad.net/bugs/cve/CVE-2020-27616
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg06080.html
- https://git.qemu.org/?p=qemu.git;a=commit;h=ca1f9cbfdce4d63b10d57de80fef89a89d92a540
- https://security-tracker.debian.org/tracker/CVE-2020-27616
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27616
- https://nvd.nist.gov/vuln/detail/CVE-2020-27616
- https://ubuntu.com/security/CVE-2020-27616
Frequently Asked Questions
What is the severity of CVE-2020-27616?
CVE-2020-27616 is rated as a medium severity vulnerability due to its potential to crash the QEMU process.
How do I fix CVE-2020-27616?
To mitigate CVE-2020-27616, update QEMU to a version later than 4.2.1 that addresses this vulnerability.
What software is affected by CVE-2020-27616?
CVE-2020-27616 affects QEMU version 4.2.1 and several specific Debian package versions.
Can CVE-2020-27616 be exploited remotely?
Yes, CVE-2020-27616 can be exploited by a guest to crash the QEMU process.
What systems should I check for CVE-2020-27616?
Check any systems running QEMU version 4.2.1 or specific Debian package versions for CVE-2020-27616.
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