Home/CVE/An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain
CVE

CVE-2020-11740

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain

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.

MEDIUM · CVSS 5.5 EPSS 0.0009
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-212Improper Removal of Sensitive Information Before Storage or Transfer
▤

Affected Products & Versions

5
xen>= 3.2.0 and <= 4.13.0
xenall versions
debian linuxall versions
fedoraproject fedoraall versions
opensuse leapall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Apr 2020 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

11
suse-csafopenSUSE-SU-2024:11520-1
usnUSN-5617-1
suse-csafSUSE-SU-2020:2234-1
suse-csafSUSE-SU-2020:14448-1
suse-csafSUSE-SU-2020:14444-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/14/1Mailing ListPatchThird Party Advisory
http://xenbits.xen.org/xsa/advisory-313.htmlPatchVendor 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/
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