CVE-2026-45838: bpf: fix end-of-list detection in cgroup_storage_get_next_key()
Published May 27, 2026
·Updated
bpf: fix end-of-list detection in cgroupstoragegetnextkey()
Affected Software
9 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Linux Linux kernel>=4.19<5.10.258
Linux Linux kernel>=5.11<5.15.209
Linux Linux kernel>=5.16<6.1.175
Linux Linux kernel>=6.2<6.6.141
Linux Linux kernel>=6.7<6.12.91
Linux Linux kernel>=6.13<6.18.33
Linux Linux kernel>=6.19<7.0.10
Remediation
Event History
May 27, 2026
CVE Published
via MITRE·09:24 AM
Data Sourced
via MITRE·09:24 AM
Description
Data Sourced
via NVD·11:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
May 28, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:02 AM
Affected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-45838?
The severity of CVE-2026-45838 is rated as risk 23.
2
How do I fix CVE-2026-45838?
To fix CVE-2026-45838, update your Linux kernel to the latest version where the vulnerability has been patched.
3
What is the impact of CVE-2026-45838?
CVE-2026-45838 could lead to incorrect end-of-list detection in BPF, potentially causing unexpected behavior in cgroup operations.
4
Which system does CVE-2026-45838 affect?
CVE-2026-45838 affects the Linux kernel.
5
When was CVE-2026-45838 published?
CVE-2026-45838 was published on May 27, 2026.