{"id":"CVE-2025-38265","state":"PUBLISHED","title":"serial: jsm: fix NPE during jsm_uart_port_init","description":"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  <TASK>\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.","publishedAt":"2025-07-10T07:37:33.778Z","updatedAt":"2026-05-11T21:24:27.453Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"3258d7ff8ebfa451426662b23e8f2b51b129afe1","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"985961dd2688a527a4847300d41beaad475ab7af","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"a14c0d2eb3f0b1836fdec22908b87ecffd2ac844","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"abaecb2a4ad021c2f2426e9b2a9c020aef57aca9","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"e3975aa899c0a3bbc10d035e699b142cd1373a71","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/jsm/jsm_tty.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.94","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.33","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.11","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15.2","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/jsm/jsm_tty.c"]}],"references":["https://git.kernel.org/stable/c/3258d7ff8ebfa451426662b23e8f2b51b129afe1","https://git.kernel.org/stable/c/985961dd2688a527a4847300d41beaad475ab7af","https://git.kernel.org/stable/c/a14c0d2eb3f0b1836fdec22908b87ecffd2ac844","https://git.kernel.org/stable/c/abaecb2a4ad021c2f2426e9b2a9c020aef57aca9","https://git.kernel.org/stable/c/e3975aa899c0a3bbc10d035e699b142cd1373a71"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38265.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38265","state":"PUBLISHED","datePublished":"2025-07-10T07:37:33.778Z","dateUpdated":"2026-05-11T21:24:27.453Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.998Z"},"containers":{"cna":{"title":"serial: jsm: fix NPE during jsm_uart_port_init","descriptions":[{"lang":"en","value":"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  <TASK>\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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"3258d7ff8ebfa451426662b23e8f2b51b129afe1","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"985961dd2688a527a4847300d41beaad475ab7af","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"a14c0d2eb3f0b1836fdec22908b87ecffd2ac844","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"abaecb2a4ad021c2f2426e9b2a9c020aef57aca9","versionType":"git"},{"version":"84a9582fd203063cd4d301204971ff2cd8327f1a","status":"affected","lessThan":"e3975aa899c0a3bbc10d035e699b142cd1373a71","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/jsm/jsm_tty.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.94","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.33","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.11","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15.2","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/jsm/jsm_tty.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3258d7ff8ebfa451426662b23e8f2b51b129afe1"},{"url":"https://git.kernel.org/stable/c/985961dd2688a527a4847300d41beaad475ab7af"},{"url":"https://git.kernel.org/stable/c/a14c0d2eb3f0b1836fdec22908b87ecffd2ac844"},{"url":"https://git.kernel.org/stable/c/abaecb2a4ad021c2f2426e9b2a9c020aef57aca9"},{"url":"https://git.kernel.org/stable/c/e3975aa899c0a3bbc10d035e699b142cd1373a71"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:24:27.453Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.14.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.15.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}