CVE-2020-2732: oracle corporation oracle linux
Vulnerability summary
CVE-2020-2732 is a medium (CVSS 6.8) vulnerability in oracle corporation oracle linux. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.5% of scored vulnerabilities.
Not severe (CVSS 5.8, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 27 · Related 18Timeline
- 08-04-2020PublishedVulnerability first disclosed.
- 30-09-2024Last modifiedVulnerability information updated.
Description
A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.
CVSS metrics
5 scores · 4 sources · 2 versions- CVE.orgCNA5.8MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.93%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.93% 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: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu32 products
- linuxAll versions (No fix recorded) | < 4.4.0-176.206 | < 4.15.0-91.92
- linux-aws< 4.4.0-1064.68 | < 4.4.0-1104.115 | < 4.15.0-1063.67
- linux-aws-5.0< 5.0.0-1027.30
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1063.67~16.04.1
Mageia3 products
- kernel< 5.5.6-2.mga7
- kmod-virtualbox< 6.0.18-4.mga7
- kmod-xtables-addons< 3.8-4.mga7
Debian1 product
- linux< 5.5.13-1
Oracle corporation1 product
- oracle linux7 | 6
Redhat1 product
- enterprise_linuxEOL7.0 | 8.0
5 vendors · 38 products
References
29 links- git.kernel.org/linus/07721feee46b4b248402133228235318199b05ecX Refsource MISCPatchThird Party Advisory
- git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75cX Refsource MISCPatchThird Party Advisory
- git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020dX Refsource MISCPatchThird Party Advisory
