CVE-2025-68744

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel related to BPF percpu hash maps. Missing calls to bpf obj free fields() in pcpu copy value() could lead to memory referenced by BPF KPTR {REF,PERCPU} fields being held until the map is freed. This issue affects maps supporting BPF KPTR {REF,PERCPU}. The fix involves calling bpf obj free fields() after copy map value[, long]() in pcpu copy value().

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.