CVEvulnerability
CVE-2020-25723
3.2 LOW
Official page ↗
- Status
- Modified
- Published
- 2020-12-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.2 LOW — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-617
Description
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.
Affected configurations
• qemu qemu (<= 5.1.1)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- http://www.openwall.com/lists/oss-security/2020/12/22/1 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1898579 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201218-0004/ Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/12/22/1 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1898579 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201218-0004/ Third Party Advisory