CVE-2020-8832: canonical ubuntu_linux
Vulnerability summary
CVE-2020-8832 is a medium (CVSS 5.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 09-04-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
The fix for the Linux kernel in Ubuntu 18.04 LTS for CVE-2019-14615 ("The Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors.") was discovered to be incomplete, meaning that in versions of the kernel before 4.15.0-91.92, an attacker could use this vulnerability to expose sensitive information.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.45% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netapp31 products
Ubuntu15 products
- linux< 4.15.0-91.92
- linux-awsAll versions (No fix recorded) | < 4.15.0-1063.67
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1063.67~16.04.1
- linux-azure< 4.15.0-1074.79~14.04.1 | < 4.15.0-1075.80 | All versions (No fix recorded)
Canonical1 product
- ubuntu_linuxEOL18.04 | 14.04 | 16.04
Debian1 product
- linux< 4.16.5-1
4 vendors · 48 products
References
7 links- bugs.launchpad.net/ubuntu/+source/linux/+bug/1862840X Refsource MISCIssue TrackingThird Party Advisory