5.5

CVE-2021-47161: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2021-47161DEBIAN-CVE-2021-47161
Published 25-03-2024Last modified 11-05-2026

Vulnerability summary

CVE-2021-47161 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6

Timeline

  1. 25-03-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-dspi: Fix a resource leak in an error handling path 'dspi_request_dma()' should be undone by a 'dspi_release_dma()' call in the error handling path of the probe function, as already done in the remove function

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu85 products
  • linux< 4.15.0-159.167 | < 5.4.0-80.90
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1112.119 | < 5.4.0-1054.57
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 90ba37033cb94207e97c4ced9be575770438213b, < 10a089bae827ec30ad9b6cb7048020a62fae0cfa | ≥ 90ba37033cb94207e97c4ced9be575770438213b, < 00450ed03a17143e2433b461a656ef9cd17c2f1d | ≥ 90ba37033cb94207e97c4ced9be575770438213b, < 15d1cc4b4b585f9a2ce72c52cca004d5d735bdf1 | ≥ 90ba37033cb94207e97c4ced9be575770438213b, < fe6921e3b8451a537e01c031b8212366bb386e3e | ≥ 90ba37033cb94207e97c4ced9be575770438213b, < 12391be4724acc9269e1845ccbd881df37de4b56 | ≥ 90ba37033cb94207e97c4ced9be575770438213b, < 680ec0549a055eb464dce6ffb4bfb736ef87236e | 4.10
  • linux_kernel≥ 4.10, < 4.14.241 | ≥ 4.15, < 4.19.199 | ≥ 4.20, < 5.4.124 | ≥ 5.5, < 5.10.42 | ≥ 5.11, < 5.12.9 | 5.13:rc1 | 5.13:rc2 | 5.13:rc3
Debian1 product
  • linux< 5.14.6-1

3 vendors · 88 products

References

9 links