CVE-2020-25723
First published: Wed Aug 12 2020(Updated: )
A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <=5.1.1 | |
| Debian Debian Linux | =10.0 | |
| redhat/qemu | <5.2.0 | 5.2.0 |
| 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 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-25723 https://nvd.nist.gov/vuln/detail/CVE-2020-25723
- https://bugzilla.redhat.com/show_bug.cgi?id=1898579
- https://access.redhat.com/errata/RHSA-2021:0648
- https://access.redhat.com/errata/RHBA-2021:0639
- https://access.redhat.com/errata/RHSA-2021:1762
- https://access.redhat.com/errata/RHSA-2021:0771
- https://access.redhat.com/security/cve/cve-2020-25723
- http://www.openwall.com/lists/oss-security/2020/12/22/1
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.netapp.com/advisory/ntap-20201218-0004/
- https://launchpad.net/bugs/cve/CVE-2020-25723
- https://git.qemu.org/?p=qemu.git;a=commit;h=2fdb42d840400d58f2e706ecca82c142b97bcbd6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1898625
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1898624
- https://security-tracker.debian.org/tracker/CVE-2020-25723
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25723
- https://nvd.nist.gov/vuln/detail/CVE-2020-25723
- https://ubuntu.com/security/CVE-2020-25723
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/first-publish-date
- agent/author
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-25723
- agent/remedy
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/references
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/qemu
- canonical/qemu qemu
- version/qemu qemu/5.1.1
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- package-manager/redhat
- package-manager/debian