CVE-2026-98039

In the Linux kernel, the following vulnerability has been resolved: bpf: Require MEMPERCPU for percpu kptr stores mapkptrmatchtype treats permflags as the set of register type flags that a kptr field permits. Adding MEMPERCPU to that set for BPFKPTRPERCPU does not require the source register to...

PT-2026-98697

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem where the check map kptr access function allows a scalar store into an untrusted kptr field if the register is known to contain zero, but fails to ma...