An issue was discovered in Xen through 4.14.x
Published Dec 15, 2020
6.0
MEDIUMCVSS 3.1
EPSS 0.41%
Description
An issue was discovered in Xen through 4.14.x. Nodes in xenstore have an ownership. In oxenstored, a owner could give a node away. However, node ownership has quota implications. Any guest can run another guest out of quota, or create an unbounded number of nodes owned by dom0, thus running xenstored out of memory A malicious guest administrator can cause a denial of service against a specific guest or against the whole host. All systems using oxenstored are vulnerable. Building and using oxenstored is the default in the upstream Xen distribution, if the Ocaml compiler is available. Systems using C xenstored are not vulnerable.
Affected products
No data.
Configuration 2
- 10.0
Configuration 3
- 32
- 33
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (5)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2C6M6S3CIMEBACH6O7V4H2VDANMO6TVA/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OBLV6L6Q24PPQ2CRFXDX4Q76KU776GKI/ vendor-advisoryx_refsource_FEDORA
- https://security.gentoo.org/glsa/202107-30 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.debian.org/security/2020/dsa-4812 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-352.html x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2C6M6S3CIMEBACH6O7V4H2VDANMO6TVA/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OBLV6L6Q24PPQ2CRFXDX4Q76KU776GKI/ | vendor-advisoryx_refsource_FEDORA | |
| https://security.gentoo.org/glsa/202107-30 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.debian.org/security/2020/dsa-4812 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://xenbits.xenproject.org/xsa/advisory-352.html | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.