SUSE CVE-2026-64028

In the Linux kernel, the following vulnerability has been resolved: tracing: Avoid NULL return from histfieldname on truncation histfieldname returns "" everywhere except the fully-qualified VARREF/EXPR case, where snprintf truncation returns NULL early and bypasses the bottom NULL-"" guard...

CVE-2026-64028

The Linux kernel contains a vulnerability in the tracing subsystem where the hist_field_name() function can return a NULL value during snprintf() truncation. This occurs specifically in the fully-qualified VAR_REF/EXPR case when a long variable name—which lacks a length cap—causes truncation. Sub...