Is CVE-2021-33061 in the CISA KEV catalog?

No. CVE-2021-33061 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33061?

CVE-2021-33061 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-33061?

CVE-2021-33061 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33061?

Upgrade linux on debian 12 to 5.18.2-1 or later. Fixes are available for 122 affected products.

CVE & CISA-KEV Catalog

CVE-2021-33061

MEDIUM

5.5

CVSS v3

NVD

Description

Insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters may allow an authenticated user to potentially enable denial of service via local access.

How to fix

Remediation Available

linuxDebian

Fixed in:5.18.2-1CVE-2021-33061

linuxUbuntu

Fixed in:5.4.0-125.141USN-5589-1

Fixed in:5.15.0-47.51USN-5594-1

linux-awsUbuntu

Fixed in:5.4.0-1084.91USN-5592-1

Fixed in:5.15.0-1019.23USN-5594-1

linux-aws-5.15Ubuntu

Fixed in:5.15.0-1019.23~20.04.1USN-5594-1

linux-aws-5.4Ubuntu

Fixed in:5.4.0-1084.91~18.04.1USN-5595-1

linux-azureUbuntu

Fixed in:5.4.0-1090.95USN-5592-1

Fixed in:5.15.0-1019.24USN-5594-1

linux-azure-5.15Ubuntu

Fixed in:5.15.0-1019.24~20.04.1USN-5594-1

linux-azure-5.4Ubuntu

Fixed in:5.4.0-1090.95~18.04.1USN-5595-1

linux-azure-fdeUbuntu

Fixed in:5.4.0-1090.95+cvm1.1USN-5605-1

linux-bluefieldUbuntu

Fixed in:5.4.0-1045.50USN-5592-1

linux-gcpUbuntu

Fixed in:5.4.0-1087.95USN-5592-1

Fixed in:5.15.0-1017.23USN-5594-1

linux-gcp-5.15Ubuntu

Fixed in:5.15.0-1017.23~20.04.2USN-5594-1

linux-gcp-5.4Ubuntu

Fixed in:5.4.0-1087.95~18.04.1USN-5592-1

linux-gkeUbuntu

Fixed in:5.4.0-1081.87USN-5592-1

Fixed in:5.15.0-1015.18USN-5594-1

linux-gke-5.15Ubuntu

Fixed in:5.15.0-1015.18~20.04.1USN-5594-1

linux-gkeopUbuntu

Fixed in:5.4.0-1052.55USN-5592-1

Fixed in:5.15.0-1002.4USN-5594-1

linux-hwe-5.15Ubuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-hwe-5.4Ubuntu

Fixed in:5.4.0-125.141~18.04.1USN-5600-1

linux-ibmUbuntu

Fixed in:5.4.0-1032.36USN-5592-1

Fixed in:5.15.0-1013.15USN-5594-1

linux-ibm-5.4Ubuntu

Fixed in:5.4.0-1032.36~18.04.1USN-5592-1

linux-image-5.14.0-1049-oemUbuntu

Fixed in:5.14.0-1049.56USN-5577-1

linux-image-5.15.0-1002-gkeopUbuntu

Fixed in:5.15.0-1002.4USN-5594-1

linux-image-5.15.0-1013-ibmUbuntu

Fixed in:5.15.0-1013.15USN-5594-1

linux-image-5.15.0-1014-raspiUbuntu

Fixed in:5.15.0-1014.16USN-5602-1

linux-image-5.15.0-1014-raspi-nolpaeUbuntu

Fixed in:5.15.0-1014.16USN-5602-1

linux-image-5.15.0-1015-gkeUbuntu

Fixed in:5.15.0-1015.18~20.04.1USN-5594-1

Fixed in:5.15.0-1015.18USN-5594-1

linux-image-5.15.0-1015-intel-iotgUbuntu

Fixed in:5.15.0-1015.20USN-5616-1

linux-image-5.15.0-1017-gcpUbuntu

Fixed in:5.15.0-1017.23~20.04.2USN-5594-1

Fixed in:5.15.0-1017.23USN-5594-1

linux-image-5.15.0-1017-kvmUbuntu

Fixed in:5.15.0-1017.21USN-5594-1

linux-image-5.15.0-1017-oracleUbuntu

Fixed in:5.15.0-1017.22USN-5599-1

linux-image-5.15.0-1019-awsUbuntu

Fixed in:5.15.0-1019.23~20.04.1USN-5594-1

Fixed in:5.15.0-1019.23USN-5594-1

linux-image-5.15.0-1019-azureUbuntu

Fixed in:5.15.0-1019.24~20.04.1USN-5594-1

Fixed in:5.15.0-1019.24USN-5594-1

linux-image-5.15.0-47-genericUbuntu

Fixed in:5.15.0-47.51USN-5594-1

linux-image-5.15.0-47-generic-64kUbuntu

Fixed in:5.15.0-47.51USN-5594-1

linux-image-5.15.0-47-generic-lpaeUbuntu

Fixed in:5.15.0-47.51USN-5594-1

linux-image-5.15.0-47-lowlatencyUbuntu

Fixed in:5.15.0-47.53USN-5594-1

linux-image-5.15.0-47-lowlatency-64kUbuntu

Fixed in:5.15.0-47.53USN-5594-1

linux-image-5.15.0-48-genericUbuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-image-5.15.0-48-generic-64kUbuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-image-5.15.0-48-generic-lpaeUbuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-image-5.15.0-48-lowlatencyUbuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-image-5.15.0-48-lowlatency-64kUbuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-image-5.17.0-1016-oemUbuntu

Fixed in:5.17.0-1016.17USN-5596-1

linux-image-5.4.0-1032-ibmUbuntu

Fixed in:5.4.0-1032.36~18.04.1USN-5592-1

Fixed in:5.4.0-1032.36USN-5592-1

linux-image-5.4.0-1045-bluefieldUbuntu

Fixed in:5.4.0-1045.50USN-5592-1

linux-image-5.4.0-1052-gkeopUbuntu

Fixed in:5.4.0-1052.55USN-5592-1

linux-image-5.4.0-1069-raspiUbuntu

Fixed in:5.4.0-1069.79~18.04.1USN-5603-1

Fixed in:5.4.0-1069.79USN-5589-1

linux-image-5.4.0-1074-kvmUbuntu

Fixed in:5.4.0-1074.79USN-5592-1

linux-image-5.4.0-1081-gkeUbuntu

Fixed in:5.4.0-1081.87USN-5592-1

linux-image-5.4.0-1082-oracleUbuntu

Fixed in:5.4.0-1082.90~18.04.1USN-5592-1

Fixed in:5.4.0-1082.90USN-5592-1

linux-image-5.4.0-1084-awsUbuntu

Fixed in:5.4.0-1084.91~18.04.1USN-5595-1

Fixed in:5.4.0-1084.91USN-5592-1

linux-image-5.4.0-1087-gcpUbuntu

Fixed in:5.4.0-1087.95~18.04.1USN-5592-1

Fixed in:5.4.0-1087.95USN-5592-1

linux-image-5.4.0-1090-azureUbuntu

Fixed in:5.4.0-1090.95~18.04.1USN-5595-1

Fixed in:5.4.0-1090.95USN-5592-1

linux-image-5.4.0-1090-azure-fdeUbuntu

Fixed in:5.4.0-1090.95+cvm1.1USN-5605-1

linux-image-5.4.0-125-genericUbuntu

Fixed in:5.4.0-125.141~18.04.1USN-5600-1

Fixed in:5.4.0-125.141USN-5589-1

linux-image-5.4.0-125-generic-lpaeUbuntu

Fixed in:5.4.0-125.141~18.04.1USN-5600-1

Fixed in:5.4.0-125.141USN-5589-1

linux-image-5.4.0-125-lowlatencyUbuntu

Fixed in:5.4.0-125.141~18.04.1USN-5600-1

Fixed in:5.4.0-125.141USN-5589-1

linux-image-awsUbuntu

Fixed in:5.4.0.1084.64USN-5595-1

Fixed in:5.15.0.1019.23~20.04.11USN-5594-1

Fixed in:5.15.0.1019.19USN-5594-1

linux-image-aws-lts-20.04Ubuntu

Fixed in:5.4.0.1084.84USN-5592-1

linux-image-azureUbuntu

Fixed in:5.4.0.1090.67USN-5595-1

Fixed in:5.15.0.1019.22~20.04.12USN-5594-1

Fixed in:5.15.0.1019.18USN-5594-1

linux-image-azure-fdeUbuntu

Fixed in:5.4.0.1090.95+cvm1.30USN-5605-1

linux-image-azure-lts-20.04Ubuntu

Fixed in:5.4.0.1090.87USN-5592-1

linux-image-bluefieldUbuntu

Fixed in:5.4.0.1045.44USN-5592-1

linux-image-gcpUbuntu

Fixed in:5.4.0.1087.66USN-5592-1

Fixed in:5.15.0.1017.23~20.04.1USN-5594-1

Fixed in:5.15.0.1017.15USN-5594-1

linux-image-gcp-lts-20.04Ubuntu

Fixed in:5.4.0.1087.92USN-5592-1

linux-image-genericUbuntu

Fixed in:5.4.0.125.126USN-5589-1

Fixed in:5.15.0.47.47USN-5594-1

linux-image-generic-64kUbuntu

Fixed in:5.15.0.47.47USN-5594-1

linux-image-generic-64k-hwe-20.04Ubuntu

Fixed in:5.15.0.48.54~20.04.18USN-5623-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:5.15.0.47.47USN-5594-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.15.0.48.54~20.04.18USN-5623-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:5.15.0.47.47USN-5594-1

linux-image-generic-lpaeUbuntu

Fixed in:5.4.0.125.126USN-5589-1

Fixed in:5.15.0.47.47USN-5594-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.15.0.48.54~20.04.18USN-5623-1

linux-image-generic-lpae-hwe-22.04Ubuntu

Fixed in:5.15.0.47.47USN-5594-1

linux-image-gkeUbuntu

Fixed in:5.4.0.1081.89USN-5592-1

Fixed in:5.15.0.1015.17USN-5594-1

linux-image-gke-5.15Ubuntu

Fixed in:5.15.0.1015.18~20.04.1USN-5594-1

Fixed in:5.15.0.1015.17USN-5594-1

linux-image-gke-5.4Ubuntu

Fixed in:5.4.0.1081.89USN-5592-1

linux-image-gkeopUbuntu

Fixed in:5.4.0.1052.53USN-5592-1

Fixed in:5.15.0.1002.4USN-5594-1

linux-image-gkeop-5.15Ubuntu

Fixed in:5.15.0.1002.4USN-5594-1

linux-image-gkeop-5.4Ubuntu

Fixed in:5.4.0.1052.53USN-5592-1

linux-image-ibmUbuntu

Fixed in:5.4.0.1032.46USN-5592-1

Fixed in:5.4.0.1032.61USN-5592-1

Fixed in:5.15.0.1013.12USN-5594-1

linux-image-ibm-lts-20.04Ubuntu

Fixed in:5.4.0.1032.61USN-5592-1

linux-image-intel-iotgUbuntu

Fixed in:5.15.0.1015.16USN-5616-1

linux-image-kvmUbuntu

Fixed in:5.4.0.1074.71USN-5592-1

Fixed in:5.15.0.1017.15USN-5594-1

linux-image-lowlatencyUbuntu

Fixed in:5.4.0.125.126USN-5589-1

Fixed in:5.15.0.47.44USN-5594-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.15.0.47.44USN-5594-1

linux-image-lowlatency-64k-hwe-20.04Ubuntu

Fixed in:5.15.0.48.54~20.04.16USN-5623-1

linux-image-lowlatency-64k-hwe-22.04Ubuntu

Fixed in:5.15.0.47.44USN-5594-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.15.0.48.54~20.04.16USN-5623-1

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:5.15.0.47.44USN-5594-1

linux-image-oemUbuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

Fixed in:5.4.0.125.126USN-5589-1

linux-image-oem-20.04Ubuntu

Fixed in:5.14.0.1049.45USN-5577-1

Fixed in:5.15.0.47.47USN-5594-1

linux-image-oem-20.04bUbuntu

Fixed in:5.14.0.1049.45USN-5577-1

linux-image-oem-20.04cUbuntu

Fixed in:5.14.0.1049.45USN-5577-1

linux-image-oem-20.04dUbuntu

Fixed in:5.14.0.1049.45USN-5577-1

linux-image-oem-22.04Ubuntu

Fixed in:5.17.0.1016.15USN-5596-1

linux-image-oem-22.04aUbuntu

Fixed in:5.17.0.1016.15USN-5596-1

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

Fixed in:5.4.0.125.126USN-5589-1

linux-image-oracleUbuntu

Fixed in:5.4.0.1082.90~18.04.59USN-5592-1

Fixed in:5.15.0.1017.15USN-5599-1

linux-image-oracle-lts-20.04Ubuntu

Fixed in:5.4.0.1082.79USN-5592-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1069.102USN-5589-1

Fixed in:5.15.0.1014.13USN-5602-1

linux-image-raspi-hwe-18.04Ubuntu

Fixed in:5.4.0.1069.69USN-5603-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.15.0.1014.13USN-5602-1

linux-image-raspi2Ubuntu

Fixed in:5.4.0.1069.102USN-5589-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

linux-image-virtualUbuntu

Fixed in:5.4.0.125.126USN-5589-1

Fixed in:5.15.0.47.47USN-5594-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.4.0.125.141~18.04.105USN-5600-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.15.0.48.54~20.04.18USN-5623-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:5.15.0.47.47USN-5594-1

linux-intel-iotgUbuntu

Fixed in:5.15.0-1015.20USN-5616-1

linux-kvmUbuntu

Fixed in:5.4.0-1074.79USN-5592-1

Fixed in:5.15.0-1017.21USN-5594-1

linux-lowlatencyUbuntu

Fixed in:5.15.0-47.53USN-5594-1

linux-lowlatency-hwe-5.15Ubuntu

Fixed in:5.15.0-48.54~20.04.1USN-5623-1

linux-oem-5.14Ubuntu

Fixed in:5.14.0-1049.56USN-5577-1

linux-oem-5.17Ubuntu

Fixed in:5.17.0-1016.17USN-5596-1

linux-oracleUbuntu

Fixed in:5.4.0-1082.90USN-5592-1

Fixed in:5.15.0-1017.22USN-5599-1

linux-oracle-5.4Ubuntu

Fixed in:5.4.0-1082.90~18.04.1USN-5592-1

linux-raspiUbuntu

Fixed in:5.4.0-1069.79USN-5589-1

Fixed in:5.15.0-1014.16USN-5602-1

linux-raspi-5.4Ubuntu

Fixed in:5.4.0-1069.79~18.04.1USN-5603-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Vendor Advisory1

intel.com

Third-Party Advisory1

security.netapp.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-05.