{"id":"DEBIAN-CVE-2025-39818","details":"In the Linux kernel, the following vulnerability has been resolved:  HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save  Improper use of secondary pointer (&dev-\u003ei2c_subip_regs) caused kernel crash and out-of-bounds error:   BUG: KASAN: slab-out-of-bounds in _regmap_bulk_read+0x449/0x510  Write of size 4 at addr ffff888136005dc0 by task kworker/u33:5/5107   CPU: 3 UID: 0 PID: 5107 Comm: kworker/u33:5 Not tainted 6.16.0+ #3 PREEMPT(voluntary)  Workqueue: async async_run_entry_fn  Call Trace:   \u003cTASK\u003e   dump_stack_lvl+0x76/0xa0   print_report+0xd1/0x660   ? __pfx__raw_spin_lock_irqsave+0x10/0x10   ? kasan_complete_mode_report_info+0x26/0x200   kasan_report+0xe1/0x120   ? _regmap_bulk_read+0x449/0x510   ? _regmap_bulk_read+0x449/0x510   __asan_report_store4_noabort+0x17/0x30   _regmap_bulk_read+0x449/0x510   ? __pfx__regmap_bulk_read+0x10/0x10   regmap_bulk_read+0x270/0x3d0   pio_complete+0x1ee/0x2c0 [intel_thc]   ? __pfx_pio_complete+0x10/0x10 [intel_thc]   ? __pfx_pio_wait+0x10/0x10 [intel_thc]   ? regmap_update_bits_base+0x13b/0x1f0   thc_i2c_subip_pio_read+0x117/0x270 [intel_thc]   thc_i2c_subip_regs_save+0xc2/0x140 [intel_thc]   ? __pfx_thc_i2c_subip_regs_save+0x10/0x10 [intel_thc] [...]  The buggy address belongs to the object at ffff888136005d00   which belongs to the cache kmalloc-rnd-12-192 of size 192  The buggy address is located 0 bytes to the right of   allocated 192-byte region [ffff888136005d00, ffff888136005dc0)  Replaced with direct array indexing (&dev-\u003ei2c_subip_regs[i]) to ensure safe memory access.","modified":"2026-08-27T23:05:30.718729181Z","published":"2025-09-16T13:15:57.737Z","upstream":["CVE-2025-39818"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-39818"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.16.5-1"}]}],"versions":["6.12.100-1","6.12.101-1","6.12.105-1","6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1","6.12.96-1","6.13.10-1~exp1","6.13.11-1~exp1","6.13.2-1~exp1","6.13.3-1~exp1","6.13.4-1~exp1","6.13.5-1~exp1","6.13.6-1~exp1","6.13.7-1~exp1","6.13.8-1~exp1","6.13.9-1~exp1","6.13~rc6-1~exp1","6.13~rc7-1~exp1","6.14.3-1~exp1","6.14.5-1~exp1","6.14.6-1~exp1","6.15-1~exp1","6.15.1-1~exp1","6.15.2-1~exp1","6.15.3-1~exp1","6.15.4-1~exp1","6.15.5-1~exp1","6.15.6-1~exp1","6.15~rc7-1~exp1","6.16-1~exp1","6.16.1-1~exp1","6.16.3-1","6.16.3-1~bpo13+1","6.16~rc7-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39818.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}