Is CVE-2023-3389 in the CISA KEV catalog?

No. CVE-2023-3389 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3389?

CVE-2023-3389 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-3389?

CVE-2023-3389 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3389?

Upgrade linux on debian 11 to 5.10.191-1 or later. Fixes are available for 137 affected products.

CVE & CISA-KEV Catalog

CVE-2023-3389

HIGH

7.8

CVSS v3

NVD

Description

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.191-1CVE-2023-3389

Fixed in:6.0.2-1CVE-2023-3389

awsUbuntu

Fixed in:4.4.0-1098LSN-0097-1

Fixed in:5.4.0-1009LSN-0097-1

Fixed in:5.15.0-1000LSN-0097-1

aws-5.15Ubuntu

Fixed in:5.15.0-1000LSN-0097-1

aws-5.4Ubuntu

Fixed in:5.4.0-1069LSN-0097-1

aws-6.2Ubuntu

Fixed in:6.2.0-1000LSN-0097-1

aws-hweUbuntu

Fixed in:4.15.0-1126LSN-0097-1

azureUbuntu

Fixed in:5.4.0-1010LSN-0097-1

Fixed in:5.15.0-1000LSN-0097-1

azure-5.4Ubuntu

Fixed in:5.4.0-1069LSN-0097-1

gcpUbuntu

Fixed in:5.4.0-1009LSN-0097-1

Fixed in:5.15.0-1000LSN-0097-1

gcp-5.15Ubuntu

Fixed in:5.15.0-1000LSN-0097-1

gcp-5.4Ubuntu

Fixed in:5.4.0-1069LSN-0097-1

generic-4.15Ubuntu

Fixed in:4.15.0-143LSN-0097-1

generic-4.4Ubuntu

Fixed in:4.4.0-168LSN-0097-1

Fixed in:4.4.0-211LSN-0097-1

generic-5.15Ubuntu

Fixed in:5.15.0-0LSN-0097-1

generic-5.4Ubuntu

Fixed in:5.4.0-26LSN-0097-1

gkeUbuntu

Fixed in:5.4.0-1033LSN-0097-1

Fixed in:5.15.0-1000LSN-0097-1

gke-5.15Ubuntu

Fixed in:5.15.0-1000LSN-0097-1

gke-5.4Ubuntu

Fixed in:5.4.0-1009LSN-0097-1

gkeopUbuntu

Fixed in:5.4.0-1009LSN-0097-1

gkeop-5.4Ubuntu

Fixed in:5.4.0-1007LSN-0097-1

ibmUbuntu

Fixed in:5.4.0-1009LSN-0097-1

Fixed in:5.15.0-1000LSN-0097-1

ibm-5.4Ubuntu

Fixed in:5.4.0-1009LSN-0097-1

linuxUbuntu

Fixed in:5.15.0-71LSN-0097-1

Fixed in:5.15.0-78.85USN-6246-1

Fixed in:6.2.0-26.26USN-6250-1

linux-awsUbuntu

Fixed in:5.15.0-1040.45USN-6246-1

Fixed in:6.2.0-1008.8USN-6250-1

linux-aws-5.15Ubuntu

Fixed in:5.15.0-1040.45~20.04.1USN-6246-1

linux-aws-5.19Ubuntu

Fixed in:5.19.0-1029.30~22.04.1USN-6260-1

linux-azureUbuntu

Fixed in:5.15.0-1042.49USN-6246-1

Fixed in:6.2.0-1008.8USN-6250-1

linux-azure-5.15Ubuntu

Fixed in:5.15.0-1042.49~20.04.1USN-6246-1

linux-azure-fdeUbuntu

Fixed in:5.15.0-1042.49.1USN-6246-1

linux-azure-fde-5.15Ubuntu

Fixed in:5.15.0-1042.49~20.04.1.1USN-6246-1

linux-gcpUbuntu

Fixed in:5.15.0-1038.46USN-6246-1

Fixed in:6.2.0-1010.10USN-6250-1

linux-gcp-5.15Ubuntu

Fixed in:5.15.0-1038.46~20.04.1USN-6246-1

linux-gcp-5.19Ubuntu

Fixed in:5.19.0-1030.32~22.04.1USN-6260-1

linux-gkeUbuntu

Fixed in:5.15.0-1038.43USN-6246-1

linux-gke-5.15Ubuntu

Fixed in:5.15.0-1038.43~20.04.1USN-6246-1

linux-gkeopUbuntu

Fixed in:5.15.0-1024.29USN-6246-1

linux-gkeop-5.15Ubuntu

Fixed in:5.15.0-1024.29~20.04.1USN-6246-1

linux-hwe-5.15Ubuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

linux-hwe-5.19Ubuntu

Fixed in:5.19.0-50.50USN-6260-1

linux-ibmUbuntu

Fixed in:5.15.0-1034.37USN-6246-1

Fixed in:6.2.0-1006.6USN-6250-1

linux-image-5.15.0-1024-gkeopUbuntu

Fixed in:5.15.0-1024.29~20.04.1USN-6246-1

Fixed in:5.15.0-1024.29USN-6246-1

linux-image-5.15.0-1029-nvidiaUbuntu

Fixed in:5.15.0-1029.29USN-6246-1

linux-image-5.15.0-1029-nvidia-lowlatencyUbuntu

Fixed in:5.15.0-1029.29USN-6246-1

linux-image-5.15.0-1034-ibmUbuntu

Fixed in:5.15.0-1034.37USN-6246-1

linux-image-5.15.0-1034-raspiUbuntu

Fixed in:5.15.0-1034.37USN-6246-1

linux-image-5.15.0-1034-raspi-nolpaeUbuntu

Fixed in:5.15.0-1034.37USN-6246-1

linux-image-5.15.0-1036-intel-iotgUbuntu

Fixed in:5.15.0-1036.41~20.04.1USN-6255-1

Fixed in:5.15.0-1036.41USN-6246-1

linux-image-5.15.0-1038-gcpUbuntu

Fixed in:5.15.0-1038.46~20.04.1USN-6246-1

Fixed in:5.15.0-1038.46USN-6246-1

linux-image-5.15.0-1038-gkeUbuntu

Fixed in:5.15.0-1038.43~20.04.1USN-6246-1

Fixed in:5.15.0-1038.43USN-6246-1

linux-image-5.15.0-1038-kvmUbuntu

Fixed in:5.15.0-1038.43USN-6246-1

linux-image-5.15.0-1039-oracleUbuntu

Fixed in:5.15.0-1039.45~20.04.1USN-6246-1

Fixed in:5.15.0-1039.45USN-6246-1

linux-image-5.15.0-1040-awsUbuntu

Fixed in:5.15.0-1040.45~20.04.1USN-6246-1

Fixed in:5.15.0-1040.45USN-6246-1

linux-image-5.15.0-1042-azureUbuntu

Fixed in:5.15.0-1042.49~20.04.1USN-6246-1

Fixed in:5.15.0-1042.49USN-6246-1

linux-image-5.15.0-1042-azure-fdeUbuntu

Fixed in:5.15.0-1042.49~20.04.1.1USN-6246-1

Fixed in:5.15.0-1042.49.1USN-6246-1

linux-image-5.15.0-78-genericUbuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

Fixed in:5.15.0-78.85USN-6246-1

linux-image-5.15.0-78-generic-64kUbuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

Fixed in:5.15.0-78.85USN-6246-1

linux-image-5.15.0-78-generic-lpaeUbuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

Fixed in:5.15.0-78.85USN-6246-1

linux-image-5.15.0-78-lowlatencyUbuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

Fixed in:5.15.0-78.85USN-6246-1

linux-image-5.15.0-78-lowlatency-64kUbuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

Fixed in:5.15.0-78.85USN-6246-1

linux-image-5.19.0-1029-awsUbuntu

Fixed in:5.19.0-1029.30~22.04.1USN-6260-1

linux-image-5.19.0-1030-gcpUbuntu

Fixed in:5.19.0-1030.32~22.04.1USN-6260-1

linux-image-5.19.0-50-genericUbuntu

Fixed in:5.19.0-50.50USN-6260-1

linux-image-5.19.0-50-generic-64kUbuntu

Fixed in:5.19.0-50.50USN-6260-1

linux-image-5.19.0-50-generic-lpaeUbuntu

Fixed in:5.19.0-50.50USN-6260-1

linux-image-6.0.0-1020-oemUbuntu

Fixed in:6.0.0-1020.20USN-6248-1

linux-image-6.1.0-1017-oemUbuntu

Fixed in:6.1.0-1017.17USN-6249-1

linux-image-6.2.0-1006-ibmUbuntu

Fixed in:6.2.0-1006.6USN-6250-1

linux-image-6.2.0-1008-awsUbuntu

Fixed in:6.2.0-1008.8USN-6250-1

linux-image-6.2.0-1008-azureUbuntu

Fixed in:6.2.0-1008.8USN-6250-1

linux-image-6.2.0-1008-oracleUbuntu

Fixed in:6.2.0-1008.8USN-6250-1

linux-image-6.2.0-1009-kvmUbuntu

Fixed in:6.2.0-1009.9USN-6250-1

linux-image-6.2.0-1009-lowlatencyUbuntu

Fixed in:6.2.0-1009.9USN-6250-1

linux-image-6.2.0-1009-lowlatency-64kUbuntu

Fixed in:6.2.0-1009.9USN-6250-1

linux-image-6.2.0-1009-raspiUbuntu

Fixed in:6.2.0-1009.11USN-6250-1

linux-image-6.2.0-1010-gcpUbuntu

Fixed in:6.2.0-1010.10USN-6250-1

linux-image-6.2.0-26-genericUbuntu

Fixed in:6.2.0-26.26USN-6250-1

linux-image-6.2.0-26-generic-64kUbuntu

Fixed in:6.2.0-26.26USN-6250-1

linux-image-6.2.0-26-generic-lpaeUbuntu

Fixed in:6.2.0-26.26USN-6250-1

linux-image-awsUbuntu

Fixed in:5.15.0.1040.45~20.04.29USN-6246-1

Fixed in:5.19.0.1029.30~22.04.13USN-6260-1

Fixed in:6.2.0.1008.9USN-6250-1

linux-image-aws-lts-22.04Ubuntu

Fixed in:5.15.0.1040.39USN-6246-1

linux-image-azureUbuntu

Fixed in:5.15.0.1042.49~20.04.32USN-6246-1

Fixed in:5.15.0.1042.38USN-6246-1

Fixed in:6.2.0.1008.8USN-6250-1

linux-image-azure-cvmUbuntu

Fixed in:5.15.0.1042.49~20.04.32USN-6246-1

linux-image-azure-fdeUbuntu

Fixed in:5.15.0.1042.49~20.04.1.21USN-6246-1

Fixed in:5.15.0.1042.49.20USN-6246-1

linux-image-azure-fde-lts-22.04Ubuntu

Fixed in:5.15.0.1042.49.20USN-6246-1

linux-image-azure-lts-22.04Ubuntu

Fixed in:5.15.0.1042.38USN-6246-1

linux-image-gcpUbuntu

Fixed in:5.15.0.1038.46~20.04.1USN-6246-1

Fixed in:5.19.0.1030.32~22.04.2USN-6260-1

Fixed in:6.2.0.1010.10USN-6250-1

linux-image-gcp-lts-22.04Ubuntu

Fixed in:5.15.0.1038.34USN-6246-1

linux-image-genericUbuntu

Fixed in:5.15.0.78.75USN-6246-1

Fixed in:6.2.0.26.26USN-6250-1

linux-image-generic-64kUbuntu

Fixed in:5.15.0.78.75USN-6246-1

Fixed in:6.2.0.26.26USN-6250-1

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

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

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

Fixed in:5.19.0.50.22USN-6260-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:5.19.0.50.22USN-6260-1

linux-image-generic-lpaeUbuntu

Fixed in:5.15.0.78.75USN-6246-1

Fixed in:6.2.0.26.26USN-6250-1

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

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

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

Fixed in:5.19.0.50.22USN-6260-1

linux-image-gkeUbuntu

Fixed in:5.15.0.1038.37USN-6246-1

linux-image-gke-5.15Ubuntu

Fixed in:5.15.0.1038.43~20.04.1USN-6246-1

Fixed in:5.15.0.1038.37USN-6246-1

linux-image-gkeopUbuntu

Fixed in:5.15.0.1024.23USN-6246-1

linux-image-gkeop-5.15Ubuntu

Fixed in:5.15.0.1024.29~20.04.20USN-6246-1

Fixed in:5.15.0.1024.23USN-6246-1

linux-image-ibmUbuntu

Fixed in:5.15.0.1034.30USN-6246-1

Fixed in:6.2.0.1006.6USN-6250-1

linux-image-intelUbuntu

Fixed in:5.15.0.1036.41~20.04.26USN-6255-1

linux-image-intel-iotgUbuntu

Fixed in:5.15.0.1036.41~20.04.26USN-6255-1

Fixed in:5.15.0.1036.35USN-6246-1

linux-image-kvmUbuntu

Fixed in:5.15.0.1038.34USN-6246-1

Fixed in:6.2.0.1009.9USN-6250-1

linux-image-lowlatencyUbuntu

Fixed in:5.15.0.78.82USN-6246-1

Fixed in:6.2.0.1009.9USN-6250-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.15.0.78.82USN-6246-1

Fixed in:6.2.0.1009.9USN-6250-1

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

Fixed in:5.15.0.78.85~20.04.35USN-6246-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.15.0.78.85~20.04.35USN-6246-1

linux-image-nvidiaUbuntu

Fixed in:5.15.0.1029.29USN-6246-1

linux-image-nvidia-lowlatencyUbuntu

Fixed in:5.15.0.1029.29USN-6246-1

linux-image-oem-20.04Ubuntu

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

linux-image-oem-20.04bUbuntu

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

linux-image-oem-20.04cUbuntu

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

linux-image-oem-20.04dUbuntu

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

linux-image-oem-22.04bUbuntu

Fixed in:6.0.0.1020.20USN-6248-1

linux-image-oem-22.04cUbuntu

Fixed in:6.1.0.1017.17USN-6249-1

linux-image-oracleUbuntu

Fixed in:5.15.0.1039.45~20.04.1USN-6246-1

Fixed in:5.15.0.1039.34USN-6246-1

Fixed in:6.2.0.1008.8USN-6250-1

linux-image-raspiUbuntu

Fixed in:5.15.0.1034.32USN-6246-1

Fixed in:6.2.0.1009.12USN-6250-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.15.0.1034.32USN-6246-1

Fixed in:6.2.0.1009.12USN-6250-1

linux-image-virtualUbuntu

Fixed in:5.15.0.78.75USN-6246-1

Fixed in:6.2.0.26.26USN-6250-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.15.0.78.85~20.04.38USN-6246-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:5.19.0.50.22USN-6260-1

linux-intel-iotgUbuntu

Fixed in:5.15.0-1036.41USN-6246-1

linux-intel-iotg-5.15Ubuntu

Fixed in:5.15.0-1036.41~20.04.1USN-6255-1

linux-kvmUbuntu

Fixed in:5.15.0-1038.43USN-6246-1

Fixed in:6.2.0-1009.9USN-6250-1

linux-lowlatencyUbuntu

Fixed in:5.15.0-78.85USN-6246-1

Fixed in:6.2.0-1009.9USN-6250-1

linux-lowlatency-hwe-5.15Ubuntu

Fixed in:5.15.0-78.85~20.04.1USN-6246-1

linux-nvidiaUbuntu

Fixed in:5.15.0-1029.29USN-6246-1

linux-oem-6.0Ubuntu

Fixed in:6.0.0-1020.20USN-6248-1

linux-oem-6.1Ubuntu

Fixed in:6.1.0-1017.17USN-6249-1

linux-oracleUbuntu

Fixed in:5.15.0-1039.45USN-6246-1

Fixed in:6.2.0-1008.8USN-6250-1

linux-oracle-5.15Ubuntu

Fixed in:5.15.0-1039.45~20.04.1USN-6246-1

linux-raspiUbuntu

Fixed in:5.15.0-1034.37USN-6246-1

Fixed in:6.2.0-1009.11USN-6250-1

lowlatency-4.15Ubuntu

Fixed in:4.15.0-143LSN-0097-1

lowlatency-4.4Ubuntu

Fixed in:4.4.0-168LSN-0097-1

Fixed in:4.4.0-211LSN-0097-1

lowlatency-5.15Ubuntu

Fixed in:5.15.0-0LSN-0097-1

lowlatency-5.4Ubuntu

Fixed in:5.4.0-26LSN-0097-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch6

Third-Party Advisory4

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

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CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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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 2025-02-13.