CVE & CISA-KEV Catalog

CVE-2022-26878

MEDIUM
5.5
CVSS v3
NVD

Description

drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available
linuxDebian
Fixed in:5.16.7-1CVE-2022-26878
Fixed in:5.16.7-1CVE-2022-26878
Fixed in:5.16.7-1CVE-2022-26878
linux-aws-5.13Ubuntu
Fixed in:5.13.0-1022.24~20.04.1USN-5383-1
linux-azure-5.13Ubuntu
Fixed in:5.13.0-1022.26~20.04.1USN-5383-1
linux-gcp-5.13Ubuntu
Fixed in:5.13.0-1024.29~20.04.1USN-5383-1
linux-hwe-5.13Ubuntu
Fixed in:5.13.0-40.45~20.04.1USN-5383-1
linux-image-5.13.0-1011-intelUbuntu
Fixed in:5.13.0-1011.11USN-5383-1
linux-image-5.13.0-1022-awsUbuntu
Fixed in:5.13.0-1022.24~20.04.1USN-5383-1
linux-image-5.13.0-1022-azureUbuntu
Fixed in:5.13.0-1022.26~20.04.1USN-5383-1
linux-image-5.13.0-1024-gcpUbuntu
Fixed in:5.13.0-1024.29~20.04.1USN-5383-1
linux-image-5.13.0-1027-oracleUbuntu
Fixed in:5.13.0-1027.32~20.04.1USN-5383-1
linux-image-5.13.0-40-genericUbuntu
Fixed in:5.13.0-40.45~20.04.1USN-5383-1
linux-image-5.13.0-40-generic-64kUbuntu
Fixed in:5.13.0-40.45~20.04.1USN-5383-1
linux-image-5.13.0-40-generic-lpaeUbuntu
Fixed in:5.13.0-40.45~20.04.1USN-5383-1
linux-image-5.13.0-40-lowlatencyUbuntu
Fixed in:5.13.0-40.45~20.04.1USN-5383-1
linux-image-awsUbuntu
Fixed in:5.13.0.1022.24~20.04.15USN-5383-1
linux-image-azureUbuntu
Fixed in:5.13.0.1022.26~20.04.11USN-5383-1
linux-image-gcpUbuntu
Fixed in:5.13.0.1024.29~20.04.1USN-5383-1
linux-image-generic-64k-hwe-20.04Ubuntu
Fixed in:5.13.0.40.45~20.04.25USN-5383-1
linux-image-generic-hwe-20.04Ubuntu
Fixed in:5.13.0.40.45~20.04.25USN-5383-1
linux-image-generic-lpae-hwe-20.04Ubuntu
Fixed in:5.13.0.40.45~20.04.25USN-5383-1
linux-image-intelUbuntu
Fixed in:5.13.0.1011.12USN-5383-1
linux-image-lowlatency-hwe-20.04Ubuntu
Fixed in:5.13.0.40.45~20.04.25USN-5383-1
linux-image-oracleUbuntu
Fixed in:5.13.0.1027.32~20.04.1USN-5383-1
linux-image-virtual-hwe-20.04Ubuntu
Fixed in:5.13.0.40.45~20.04.25USN-5383-1
linux-intel-5.13Ubuntu
Fixed in:5.13.0-1011.11USN-5383-1
linux-oracle-5.13Ubuntu
Fixed in:5.13.0-1027.32~20.04.1USN-5383-1

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

0.32%probability of exploitation in 30 days
24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13934High7.564%-Fix
CVE-2016-6304High7.563%-Fix
CVE-2019-12265Medium5.355%-Fix
CVE-2001-0136Medium5.045%--
CVE-2016-4232High7.536%--
CVE-2001-0543Medium5.021%--
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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.