CVE-2020-11740: debian debian_linux
Vulnerability summary
CVE-2020-11740 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.7% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 11Timeline
- 14-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- xen< 4.11.4-1
- debian_linuxEOL10.0
Alpine1 product
- xen≥ 3.2.0, < 4.12.2-r1 | ≥ 3.2.0, < 4.13.0-r1 | ≥ 3.2.0, < 4.13.0-r3 | ≥ 3.2.0, < 4.10.4-r3 | ≥ 3.2.0, < 4.11.3-r2
Fedoraproject1 product
- fedoraEOL30 | 31 | 32
Opensuse1 product
- leapEOL15.1
Ubuntu1 product
- xenAll versions (No fix recorded) | < 4.11.3+24-g14b62ab3e5-1ubuntu2.3
Xen1 product
- xen≥ 3.2.0, ≤ 4.13.0 | 4.13.0:rc1 | 4.13.0:rc2
6 vendors · 7 products
References
14 links- www.openwall.com/lists/oss-security/2020/04/14/1Mailing ListX Refsource MLISTREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
