5.5

CVE-2020-0543: canonical ubuntu_linux Incomplete Cleanup

Modified
AliasesALPINE-CVE-2020-0543SUSE-SU-2020:1609-1SUSE-SU-2020:1632-1
Published 15-06-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-0543 is a medium (CVSS 5.5) Incomplete Cleanup vulnerability in canonical ubuntu_linux. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 74 · Related 44
DLA-2241-1DLA-2242-1DLA-2248-1DSA-4698-1DSA-4699-1DSA-4701-1

Timeline

  1. 15-06-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.54%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.54% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Intel193 products
Debian2 products
  • intel-microcode< 3.20200609.1
  • linux< 5.6.14-2
Ubuntu2 products
  • intel-microcode< 3.20200609.0ubuntu0.14.04.0 | < 3.20200609.0ubuntu0.16.04.0 | < 3.20200609.0ubuntu0.18.04.0 | < 3.20200609.0ubuntu0.20.04.0
  • xenAll versions (No fix recorded) | < 4.11.3+24-g14b62ab3e5-1ubuntu2.3
Alpine1 product
  • xen< 4.12.3-r1 | < 4.13.1-r1 | < 4.13.1-r3 | < 4.11.4-r0
Canonical1 product
  • ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.10 | 20.04
Fedoraproject1 product

6 vendors · 200 products · Showing 200 of 711

References

49 links
Show all 49 references