CVE-2020-27672
- Source
- https://cve.org/CVERecord?id=CVE-2020-27672
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27672.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-27672
- Downstream
- Related
- Published
- 2020-10-22T21:15:13.950Z
- Modified
- 2026-03-13T00:38:19.819559Z
- Severity
-
- 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
- http://www.openwall.com/lists/oss-security/2021/01/19/7
- https://security.gentoo.org/glsa/202011-06
- https://www.debian.org/security/2020/dsa-4804
- http://xenbits.xen.org/xsa/advisory-345.html
- https://xenbits.xen.org/xsa/advisory-345.html
Affected packages
Git /
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "3.2.0"
},
{
"last_affected": "4.14.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "31"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "15.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "15.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27672.json"