Vulnerability CVE-2020-10761: Information
Description
An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.
Severity: MEDIUM (5.0) Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| qemu | sisyphus | 5.1.0-alt1 | 8.2.2-alt3 | ALT-PU-2020-2595-1 | 256281 | Fixed |
| qemu | sisyphus_e2k | 7.2.0-alt3.E2K.3 | 7.2.0-alt3.E2K.4 | ALT-PU-2024-1953-1 | - | Fixed |
| qemu | p10 | 5.1.0-alt1 | 8.2.2-alt0.p10.1 | ALT-PU-2020-2595-1 | 256281 | Fixed |
| qemu | p10_e2k | 7.2.0-alt3.E2K.0 | 7.2.0-alt3.E2K.3 | ALT-PU-2023-6766-1 | - | Fixed |
| qemu | p9 | 4.2.1-alt1 | 5.2.0-alt6 | ALT-PU-2020-2431-1 | 254589 | Fixed |
| qemu | c10f1 | 5.1.0-alt1 | 8.0.4-alt1.p10 | ALT-PU-2020-2595-1 | 256281 | Fixed |
| qemu | c9f2 | 5.2.0-alt6 | 5.2.0-alt6.c9.1 | ALT-PU-2021-1964-1 | 273330 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761 |
|
| https://www.openwall.com/lists/oss-security/2020/06/09/1 |
|
| openSUSE-SU-2020:1108 |
|
| https://security.netapp.com/advisory/ntap-20200731-0001/ |
|
| USN-4467-1 |
|
| GLSA-202011-09 |
|