In the Linux kernel, the following vulnerability has been resolved:
serial: jsm: fix NPE during jsm_uart_port_init
No device was set which caused serial_base_ctrl_add to crash.
BUG: kernel NULL pointer dereference, address: 0000000000000050 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1 Debian 6.12.25-1 RIP: 0010:serial_base_ctrl_add+0x96/0x120 Call Trace: <TASK> serial_core_register_port+0x1a0/0x580 ? __setup_irq+0x39c/0x660 ? __kmalloc_cache_noprof+0x111/0x310 jsm_uart_port_init+0xe8/0x180 [jsm] jsm_probe_one+0x1f4/0x410 [jsm] local_pci_probe+0x42/0x90 pci_device_probe+0x22f/0x270 really_probe+0xdb/0x340 ? pm_runtime_barrier+0x54/0x90 ? __pfx___driver_attach+0x10/0x10 __driver_probe_device+0x78/0x110 driver_probe_device+0x1f/0xa0 __driver_attach+0xba/0x1c0 bus_for_each_dev+0x8c/0xe0 bus_add_driver+0x112/0x1f0 driver_register+0x72/0xd0 jsm_init_module+0x36/0xff0 [jsm] ? __pfx_jsm_init_module+0x10/0x10 [jsm] do_one_initcall+0x58/0x310 do_init_module+0x60/0x230
Tested with Digi Neo PCIe 8 port card.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade bpftool-debuginfoUpgrade perf6.12Upgrade kernel6.12Upgrade kernel-toolsUpgrade kernel-libbpf-debuginfoUpgrade kernel-modules-extra-commonUpgrade bpftoolUpgrade python3-perf6.12-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-tools-develUpgrade perf6.12-debuginfoUpgrade kernel-develUpgrade kernel-libbpfUpgrade kernel6.12-modules-extraUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfoUpgrade kernel-libbpf-develUpgrade kernel-livepatch-6.12.35-55.103Upgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade python3-perf6.12 | Aug 5, 2025 | Jul 10, 2025 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 14, 2025 | Jul 10, 2025 |
| Suse | — | Upgrade kernel-rt-livepatch-develUpgrade dlm-kmp-rtUpgrade kernel-64kb-extraUpgrade kernel-default-livepatch-develUpgrade dtb-amazonUpgrade kernel-default-baseUpgrade kernel-kvmsmallUpgrade dtb-hisiliconUpgrade dtb-sprdUpgrade dtb-marvellUpgrade kernel-64kb-optionalUpgrade kernel-rt-optionalUpgrade kselftests-kmp-defaultUpgrade dtb-broadcomUpgrade kernel-64kbUpgrade kernel-macrosUpgrade kernel-rt-extraUpgrade cluster-md-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade dtb-amlogicUpgrade dtb-apmUpgrade dlm-kmp-defaultUpgrade dtb-appleUpgrade kernel-rt-vdsoUpgrade ocfs2-kmp-64kbUpgrade kernel-default-extraUpgrade dtb-amdUpgrade kernel-azureUpgrade kernel-defaultUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-defaultUpgrade dtb-renesasUpgrade cluster-md-kmp-defaultUpgrade dtb-freescaleUpgrade kernel-docs-htmlUpgrade dtb-socionextUpgrade kernel-default-develUpgrade ocfs2-kmp-rtUpgrade kernel-obs-buildUpgrade kernel-docsUpgrade kernel-obs-qaUpgrade kernel-default-livepatchUpgrade kselftests-kmp-rtUpgrade kernel-develUpgrade kernel-source-azureUpgrade dtb-allwinnerUpgrade kernel-rt-develUpgrade kernel-devel-azureUpgrade kernel-kvmsmall-develUpgrade kernel-azure-develUpgrade kernel-zfcpdumpUpgrade kernel-64kb-develUpgrade dtb-qcomUpgrade ocfs2-kmp-defaultUpgrade kernel-rtUpgrade dtb-exynosUpgrade kernel-source-vanillaUpgrade kselftests-kmp-64kbUpgrade kernel-rt-livepatchUpgrade cluster-md-kmp-rtUpgrade dlm-kmp-64kbUpgrade dtb-caviumUpgrade dtb-armUpgrade dtb-alteraUpgrade dtb-mediatekUpgrade kernel-sourceUpgrade kernel-syms-azureUpgrade kernel-symsUpgrade dtb-lgUpgrade dtb-nvidiaUpgrade dtb-xilinxUpgrade dtb-rockchipUpgrade kernel-default-vdsoUpgrade kernel-default-optionalUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-default | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-awsUpgrade linux-image-6.14.0-1012-azureUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-azureUpgrade linux-image-azure-fipsUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-24.04cUpgrade linux-image-virtual-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-gcp-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-kvmUpgrade linux-image-generic-64k-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-aws-6.14Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-generic-6.14Upgrade linux-image-aws-64k-6.14Upgrade linux-image-xilinx-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-lowlatency-6.8Upgrade linux-image-gke-64kUpgrade linux-image-generic-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-oracle-6.14Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-aws-64k-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-6.14Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-fipsUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-raspiUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.14.0-1012-oemUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.14.0-1013-awsUpgrade linux-image-ibm-classicUpgrade linux-image-lowlatencyUpgrade linux-image-raspi-6.14Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-virtual-6.14Upgrade linux-image-oracleUpgrade linux-image-realtime-6.14Upgrade linux-image-gcp-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-virtualUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-generic-lpaeUpgrade linux-image-gkeUpgrade linux-image-xilinxUpgrade linux-image-oem-24.04bUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.14.0-32-genericUpgrade linux-image-oem-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-gkeopUpgrade linux-image-generic-64k-6.14Upgrade linux-image-realtimeUpgrade linux-image-nvidiaUpgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-oracle-64kUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-oem-24.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-genericUpgrade linux-image-oem-6.14Upgrade linux-image-6.8.0-1046-azure | Jul 14, 2025 | Jul 10, 2025 |
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