CVE & CISA-KEV Catalog

CVE-2024-27067

MEDIUM
5.5
CVSS v3
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN() when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIG_DEBUG_SHIRQ. This might cause a WARN() in the handler. Avoid that by adding an "unbinding" flag to struct user_event which will short circuit the handler.

How to fix

Remediation Available
linuxDebian
Fixed in:6.7.12-1CVE-2024-27067
Fixed in:6.7.12-1CVE-2024-27067
linuxUbuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-awsUbuntu
Fixed in:6.8.0-1009.9USN-6817-1
linux-azureUbuntu
Fixed in:6.8.0-1008.8USN-6817-3
linux-gcpUbuntu
Fixed in:6.8.0-1008.9USN-6817-1
linux-gkeUbuntu
Fixed in:6.8.0-1004.7USN-6817-3
linux-ibmUbuntu
Fixed in:6.8.0-1006.6USN-6816-1
linux-image-6.8.0-1004-gkeUbuntu
Fixed in:6.8.0-1004.7USN-6817-3
linux-image-6.8.0-1005-raspiUbuntu
Fixed in:6.8.0-1005.5USN-6816-1
linux-image-6.8.0-1006-ibmUbuntu
Fixed in:6.8.0-1006.6USN-6816-1
linux-image-6.8.0-1006-oemUbuntu
Fixed in:6.8.0-1006.6USN-6817-2
linux-image-6.8.0-1006-oracleUbuntu
Fixed in:6.8.0-1006.6USN-6878-1
linux-image-6.8.0-1006-oracle-64kUbuntu
Fixed in:6.8.0-1006.6USN-6878-1
linux-image-6.8.0-1008-azureUbuntu
Fixed in:6.8.0-1008.8USN-6817-3
linux-image-6.8.0-1008-azure-fdeUbuntu
Fixed in:6.8.0-1008.8USN-6817-3
linux-image-6.8.0-1008-gcpUbuntu
Fixed in:6.8.0-1008.9USN-6817-1
linux-image-6.8.0-1009-awsUbuntu
Fixed in:6.8.0-1009.9USN-6817-1
linux-image-6.8.0-35-genericUbuntu
Fixed in:6.8.0-35.35+1USN-6816-1
linux-image-6.8.0-35-generic-64kUbuntu
Fixed in:6.8.0-35.35+1USN-6816-1
linux-image-6.8.0-35-lowlatencyUbuntu
Fixed in:6.8.0-35.35.1USN-6816-1
linux-image-6.8.0-35-lowlatency-64kUbuntu
Fixed in:6.8.0-35.35.1USN-6816-1
linux-image-awsUbuntu
Fixed in:6.8.0-1009.9USN-6817-1
linux-image-azureUbuntu
Fixed in:6.8.0-1008.8USN-6817-3
linux-image-azure-fdeUbuntu
Fixed in:6.8.0-1008.8USN-6817-3
linux-image-gcpUbuntu
Fixed in:6.8.0-1008.9USN-6817-1
linux-image-genericUbuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-generic-64kUbuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-generic-64k-hwe-24.04Ubuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-generic-hwe-24.04Ubuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-generic-lpaeUbuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-gkeUbuntu
Fixed in:6.8.0-1004.7USN-6817-3
linux-image-ibmUbuntu
Fixed in:6.8.0-1006.6USN-6816-1
linux-image-ibm-classicUbuntu
Fixed in:6.8.0-1006.6USN-6816-1
linux-image-ibm-lts-24.04Ubuntu
Fixed in:6.8.0-1006.6USN-6816-1
linux-image-kvmUbuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-lowlatencyUbuntu
Fixed in:6.8.0-35.35.1USN-6816-1
linux-image-lowlatency-64kUbuntu
Fixed in:6.8.0-35.35.1USN-6816-1
linux-image-oem-24.04Ubuntu
Fixed in:6.8.0-1006.6+1USN-6817-2
linux-image-oem-24.04aUbuntu
Fixed in:6.8.0-1006.6+1USN-6817-2
linux-image-oracleUbuntu
Fixed in:6.8.0-1006.6USN-6878-1
linux-image-oracle-64kUbuntu
Fixed in:6.8.0-1006.6USN-6878-1
linux-image-raspiUbuntu
Fixed in:6.8.0-1005.5USN-6816-1
linux-image-virtualUbuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-image-virtual-hwe-24.04Ubuntu
Fixed in:6.8.0-35.35USN-6816-1
linux-lowlatencyUbuntu
Fixed in:6.8.0-35.35.1USN-6816-1
linux-oem-6.8Ubuntu
Fixed in:6.8.0-1006.6USN-6817-2
linux-oracleUbuntu
Fixed in:6.8.0-1006.6USN-6878-1
linux-raspiUbuntu
Fixed in:6.8.0-1005.5USN-6816-1

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

0.22%probability of exploitation in 30 days
13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

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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 2025-09-18.