3.3

CVE-2020-29371: linux linux_kernel Use of Uninitialized Resource

Modified
AliasesUBUNTU-CVE-2020-29371DEBIAN-CVE-2020-29371
Published 28-11-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-29371 is a low (CVSS 3.3) Use of Uninitialized Resource vulnerability in linux linux_kernel. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 54.2% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
3.3/10
010
Low · v3.1 (NVD)
EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 16 · Related 16

Timeline

  1. 28-11-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4. Uninitialized memory leaks to userspace, aka CID-bcf85fcedfdd.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.73% 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

1 found
  • referenceUnverified

    Exploit Reference (bugs.chromium.org)

    Maturity: unknown

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.

Ubuntu42 products
  • linuxAll versions (No fix recorded) | < 4.4.0-193.224 | < 4.15.0-121.123 | < 5.4.0-51.56
  • linux-aws< 4.4.0-1081.85 | < 4.4.0-1117.131 | < 4.15.0-1086.91 | < 5.4.0-1028.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
  • linux-aws-5.4< 5.4.0-1028.29~18.04.1
Debian1 product
  • linux< 5.8.7-1
Linux1 product

3 vendors · 44 products

References

10 links