{"id":"CVE-2025-38265","summary":"serial: jsm: fix NPE during jsm_uart_port_init","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: jsm: fix NPE during jsm_uart_port_init\n\nNo device was set which caused serial_base_ctrl_add to crash.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000050\n Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1  Debian 6.12.25-1\n RIP: 0010:serial_base_ctrl_add+0x96/0x120\n Call Trace:\n  \u003cTASK\u003e\n  serial_core_register_port+0x1a0/0x580\n  ? __setup_irq+0x39c/0x660\n  ? __kmalloc_cache_noprof+0x111/0x310\n  jsm_uart_port_init+0xe8/0x180 [jsm]\n  jsm_probe_one+0x1f4/0x410 [jsm]\n  local_pci_probe+0x42/0x90\n  pci_device_probe+0x22f/0x270\n  really_probe+0xdb/0x340\n  ? pm_runtime_barrier+0x54/0x90\n  ? __pfx___driver_attach+0x10/0x10\n  __driver_probe_device+0x78/0x110\n  driver_probe_device+0x1f/0xa0\n  __driver_attach+0xba/0x1c0\n  bus_for_each_dev+0x8c/0xe0\n  bus_add_driver+0x112/0x1f0\n  driver_register+0x72/0xd0\n  jsm_init_module+0x36/0xff0 [jsm]\n  ? __pfx_jsm_init_module+0x10/0x10 [jsm]\n  do_one_initcall+0x58/0x310\n  do_init_module+0x60/0x230\n\nTested with Digi Neo PCIe 8 port card.","modified":"2026-04-16T04:31:49.329011530Z","published":"2025-07-10T07:37:33.778Z","related":["SUSE-SU-2025:02853-1","SUSE-SU-2025:02997-1","SUSE-SU-2025:03011-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38265.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3258d7ff8ebfa451426662b23e8f2b51b129afe1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/985961dd2688a527a4847300d41beaad475ab7af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a14c0d2eb3f0b1836fdec22908b87ecffd2ac844"},{"type":"WEB","url":"https://git.kernel.org/stable/c/abaecb2a4ad021c2f2426e9b2a9c020aef57aca9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3975aa899c0a3bbc10d035e699b142cd1373a71"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38265.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38265"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"84a9582fd203063cd4d301204971ff2cd8327f1a"},{"fixed":"3258d7ff8ebfa451426662b23e8f2b51b129afe1"},{"fixed":"985961dd2688a527a4847300d41beaad475ab7af"},{"fixed":"a14c0d2eb3f0b1836fdec22908b87ecffd2ac844"},{"fixed":"abaecb2a4ad021c2f2426e9b2a9c020aef57aca9"},{"fixed":"e3975aa899c0a3bbc10d035e699b142cd1373a71"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38265.json"}}],"schema_version":"1.7.5"}