4.7

CVE-2020-12114: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2020-12114DEBIAN-CVE-2020-12114
Published 04-05-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-12114 is a medium (CVSS 4.7) vulnerability in linux linux_kernel. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.44%
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 29 · Related 19
DLA-2241-1DLA-2242-1DSA-4698-1DSA-4699-1LSN-0068-1LSN-0072-1

Timeline

  1. 04-05-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.44% 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.

Ubuntu40 products
  • linux< 3.13.0-180.231 | < 4.4.0-184.214 | < 4.15.0-106.107 | < 5.4.0-37.41
  • linux-aws< 4.4.0-1073.77 | < 4.4.0-1109.120 | < 4.15.0-1073.77 | < 5.4.0-1015.15
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.3< 5.3.0-1023.25~18.04.1
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
Debian1 product
  • linux< 5.3.7-1
Linux1 product
  • linux_kernel≥ 4.4.0, < 4.4.221 | ≥ 4.9.0, < 4.9.221 | ≥ 4.14, < 4.14.178 | ≥ 4.19, < 4.19.119 | ≥ 5.0, < 5.3

3 vendors · 42 products

References

27 links
Show all 27 references