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.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 16 · Related 15Timeline
- 17-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last 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 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
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 score0.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00555.htmlX Refsource MISCREPORTVendor Advisory