{"id":"CVE-2025-68229","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()\n\nIf the allocation of tl_hba->sh fails in tcm_loop_driver_probe() and we\nattempt to dereference it i…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()\n\nIf the allocation of tl_hba->sh fails in tcm_loop_driver_probe() and we\nattempt to dereference it i…","severity":"none","published":"2025-12-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68229","references":[{"url":"https://git.kernel.org/stable/c/13aff3b8a7184281b134698704d6c06863a8361b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1c9ba455b5073253ceaadae4859546e38e8261fe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3d8c517f6eb27e47b1a198e05f8023038329b40b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/63f511d3855f7f4b35dd63dbc58fc3d935a81268","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/72e8831079266749a7023618a0de2f289a9dced6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a6ef60898ddaf1414592ce3e5b0d94276d631663","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e6965188f84a7883e6a0d3448e86b0cf29b24dfc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f449a1edd7a13bb025aaf9342ea6f8bf92684bbf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00204,"epssPercentile":0.09663,"ingestedAt":"2026-10-14T13:30:58.460Z","slug":"CVE-2025-68229","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()\n\nIf the allocation of tl_hba->sh fails in tcm_loop_driver_probe() and we\nattempt to dereference it in tcm_loop_tpg_address_show() we will get a\nsegfault, see below for an example. So, check tl_hba->sh before\ndereferencing it.\n\n  Unable to allocate struct scsi_host\n  BUG: kernel NULL pointer dereference, address: 0000000000000194\n  #PF: supervisor read access in kernel mode\n  #PF: error_code(0x0000) - not-present page\n  PGD 0 P4D 0\n  Oops: 0000 [#1] PREEMPT SMP NOPTI\n  CPU: 1 PID: 8356 Comm: tokio-runtime-w Not tainted 6.6.104.2-4.azl3 #1\n  Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/28/2024\n  RIP: 0010:tcm_loop_tpg_address_show+0x2e/0x50 [tcm_loop]\n...\n  Call Trace:\n   <TASK>\n   configfs_read_iter+0x12d/0x1d0 [configfs]\n   vfs_read+0x1b5/0x300\n   ksys_read+0x6f/0xf0\n...\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}