CVE-2026-45981 | Linux Kernel up to 6.19.3 s390 css_alloc_subchannel use after free

SecurityVulns
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A vulnerability described as critical has been identified in Linux Kernel up to 6.19.3. This issue affects the function css_alloc_subchannel of the component s390. Executing a manipulation can lead to use after free.

This vulnerability appears as CVE-2026-45981. The attacker needs to be present on the local network. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More