CVE-2023-53147

The CVE-2023-53147 entry maps to a Linux kernel vulnerability in the IPsec XFRM subsystem: a NULL pointer dereference via xfrm_new_ae that could crash the kernel. The root cause is a missing NULL check when updating AE parameters; xfrm_update_ae_params could dereference a NULL x->replay_esn/x-...

kernel: xfrm: NULL pointer dereference in xfrm_update_ae_params()

A flaw was found in the Linux kernel’s IP framework for transforming packets XFRM subsystem. This issue may allow a malicious user with CAPNETADMIN privileges to directly dereference a NULL pointer in xfrmupdateaeparams, leading to a possible kernel crash and denial of service...