{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39818","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.138Z","datePublished":"2025-09-16T13:00:18.490Z","dateUpdated":"2026-05-11T21:36:56.779Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:36:56.779Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save\n\nImproper use of secondary pointer (&dev->i2c_subip_regs) caused\nkernel crash and out-of-bounds error:\n\n BUG: KASAN: slab-out-of-bounds in _regmap_bulk_read+0x449/0x510\n Write of size 4 at addr ffff888136005dc0 by task kworker/u33:5/5107\n\n CPU: 3 UID: 0 PID: 5107 Comm: kworker/u33:5 Not tainted 6.16.0+ #3 PREEMPT(voluntary)\n Workqueue: async async_run_entry_fn\n Call Trace:\n  <TASK>\n  dump_stack_lvl+0x76/0xa0\n  print_report+0xd1/0x660\n  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n  ? kasan_complete_mode_report_info+0x26/0x200\n  kasan_report+0xe1/0x120\n  ? _regmap_bulk_read+0x449/0x510\n  ? _regmap_bulk_read+0x449/0x510\n  __asan_report_store4_noabort+0x17/0x30\n  _regmap_bulk_read+0x449/0x510\n  ? __pfx__regmap_bulk_read+0x10/0x10\n  regmap_bulk_read+0x270/0x3d0\n  pio_complete+0x1ee/0x2c0 [intel_thc]\n  ? __pfx_pio_complete+0x10/0x10 [intel_thc]\n  ? __pfx_pio_wait+0x10/0x10 [intel_thc]\n  ? regmap_update_bits_base+0x13b/0x1f0\n  thc_i2c_subip_pio_read+0x117/0x270 [intel_thc]\n  thc_i2c_subip_regs_save+0xc2/0x140 [intel_thc]\n  ? __pfx_thc_i2c_subip_regs_save+0x10/0x10 [intel_thc]\n[...]\n The buggy address belongs to the object at ffff888136005d00\n  which belongs to the cache kmalloc-rnd-12-192 of size 192\n The buggy address is located 0 bytes to the right of\n  allocated 192-byte region [ffff888136005d00, ffff888136005dc0)\n\nReplaced with direct array indexing (&dev->i2c_subip_regs[i]) to ensure\nsafe memory access."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c"],"versions":[{"version":"4228966def884c6e34b85cdc7118c5d013e1718f","lessThan":"78d4cf0466c79452e47aa6f720afbde63e709ccc","status":"affected","versionType":"git"},{"version":"4228966def884c6e34b85cdc7118c5d013e1718f","lessThan":"a7fc15ed629be89e51e09b743277c53e0a0168f5","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c"],"versions":[{"version":"6.14","status":"affected"},{"version":"0","lessThan":"6.14","status":"unaffected","versionType":"semver"},{"version":"6.16.5","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.16.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/78d4cf0466c79452e47aa6f720afbde63e709ccc"},{"url":"https://git.kernel.org/stable/c/a7fc15ed629be89e51e09b743277c53e0a0168f5"}],"title":"HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-39818","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-01-14T18:16:14.710756Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-14T18:22:55.882Z"}}]}}