CVE-2025-39865

CVE-2025-39865 affects the Linux kernel tee subsystem. The issue is a potential NULL pointer dereference in tee_shm_put when reg_pair_to_ptr may return NULL, leading to a crash in shutdown flow (optee/shm cache path). The documented fix is to add a NULL check in tee_shm_put to prevent dereferenci...

CVE-2022-50235

Mode C: CVE-2022-50235 affects the Linux kernel NFSD implementation for NFSv2 READDIR. The vulnerability arises from an excessive @count leading to a buffer overflow; the fix restores the previous limit on count to prevent overflow attacks. Impact is high (local, with high confidentiality, integr...