CVEvulnerability
CVE-2021-28700
4.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.9 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:C
- Weaknesses
- CWE-770
Description
xen/arm: No memory limit for dom0less domUs The dom0less feature allows an administrator to create multiple unprivileged domains directly from Xen. Unfortunately, the memory limit from them is not set. This allow a domain to allocate memory beyond what an administrator originally configured.
Affected configurations
• xen xen (>= 4.12.0)
• fedoraproject fedora 33
• fedoraproject fedora 34
• fedoraproject fedora 35
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2VQCFAPBNGBBAOMJZG6QBREOG5IIDZID/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZCNPSRPGFCQRYE2BI4D4Q4SCE56ANV2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPRVHW4J4ZCPPOHZEWP5MOJT7XDGFFPJ/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202208-23 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4977 Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-383.txt Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2VQCFAPBNGBBAOMJZG6QBREOG5IIDZID/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZCNPSRPGFCQRYE2BI4D4Q4SCE56ANV2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPRVHW4J4ZCPPOHZEWP5MOJT7XDGFFPJ/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202208-23 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4977 Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-383.txt Vendor Advisory