CVE-2026-46103: can: ucan: fix devres lifetime
Published May 27, 2026
·Updated
can: ucan: fix devres lifetime
Affected Software
9 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=4.19<5.10.259
Linux Linux kernel>=5.11<5.15.210
Linux Linux kernel>=5.16<6.1.175
Linux Linux kernel>=6.2<6.6.140
Linux Linux kernel>=6.7<6.12.86
Linux Linux kernel>=6.13<6.18.27
Linux Linux kernel>=6.19<7.0.4
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.141.1-1
Event History
May 27, 2026
CVE Published
via MITRE·12:59 PM
Data Sourced
via MITRE·12:59 PM
Description
Data Sourced
via NVD·02:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 28, 2026
Data Sourced
via Microsoft·08:08 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-46103?
CVE-2026-46103 has a severity rating of 12.
2
What systems are affected by CVE-2026-46103?
CVE-2026-46103 affects the Linux kernel USB drivers and any device managed resources associated with USB interfaces.
3
How do I fix CVE-2026-46103?
To resolve CVE-2026-46103, update to the latest version of the Linux kernel where the vulnerability has been addressed.
4
What issues does CVE-2026-46103 address?
CVE-2026-46103 addresses memory leaks related to the management of driver resources and their lifetimes.
5
When was CVE-2026-46103 published?
CVE-2026-46103 was published on May 27, 2026.