An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (with active profiling) to obtain sensitive information about other guests, cause a denial of service, or possibly gain privileges. For guests for which "active" profiling was enabled by the administrator, the xenoprof code uses the standard Xen shared ring structure. Unfortunately, this code did not treat the guest as a potential adversary: it trusts the guest not to modify buffer size information or modify head / tail pointers in unexpected ways. This can crash the host (DoS). Privilege escalation cannot be ruled out.
References
Link | Resource |
---|---|
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html | Mailing List Third Party Advisory |
http://www.openwall.com/lists/oss-security/2020/04/14/1 | Mailing List Patch Third Party Advisory |
http://xenbits.xen.org/xsa/advisory-313.html | Patch Vendor Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVTP4OYHCTRU3ONFJOFJQVNDFB25KLLG/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/ | |
https://security.gentoo.org/glsa/202005-08 | Third Party Advisory |
https://www.debian.org/security/2020/dsa-4723 | Third Party Advisory |
https://xenbits.xen.org/xsa/advisory-313.html | Patch Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2020-04-14T12:18:52
Updated: 2020-07-13T15:06:06
Reserved: 2020-04-14T00:00:00
Link: CVE-2020-11741
JSON object: View
NVD Information
Status : Modified
Published: 2020-04-14T13:15:12.843
Modified: 2023-11-07T03:15:04.637
Link: CVE-2020-11741
JSON object: View
Redhat Information
No data.
CWE