5.5

CVE-2021-33098: intel ethernet_500_series_controllers_driver Improper Input Validation

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-33098DEBIAN-CVE-2021-33098
Published 17-11-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-33098 is a medium (CVSS 5.5) Improper Input Validation vulnerability in intel ethernet_500_series_controllers_driver. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.31%
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 16 · Related 15

Timeline

  1. 17-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Improper input validation in the Intel(R) Ethernet ixgbe driver for Linux before version 3.17.3 may allow an authenticated user to potentially enable denial of service via local access.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.31%

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

Ubuntu59 products
  • linuxAll versions (No fix recorded) | < 4.4.0-222.255 | < 4.15.0-151.157 | < 5.4.0-80.90
  • linux-aws< 4.4.0-1102.107 | < 4.4.0-1138.152 | < 4.15.0-1109.116 | < 5.4.0-1054.57
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11< 5.11.0-1016.17~20.04.1
  • linux-aws-5.3All versions (No fix recorded)
Debian1 product
  • linux< 5.10.46-1
Intel1 product

3 vendors · 61 products

References

6 links