CVE-2020-11740

Description

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.

References

https://xenbits.xen.org/xsa/advisory-313.html

https://www.debian.org/security/2020/dsa-4723

https://security.gentoo.org/glsa/202005-08

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/

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/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/

http://xenbits.xen.org/xsa/advisory-313.html

http://www.openwall.com/lists/oss-security/2020/04/14/1

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3