Linux Kernel Trace Hist Field Name Buffer Overflow DoS

The vulnerability in the histfieldname function within the kernel/trace/traceeventshist.c module related to Linux operating system kernel tracing is caused by dereferencing of pointers. Exploitation of this vulnerability may allow a remote attacker to compromise the confidentiality, integrity, an...

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: Undefined Security Weakness

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...