CVE-2025-39818 (GCVE-0-2025-39818)

Vulnerability from cvelistv5 – Published: 2025-09-16 13:00 – Updated: 2025-09-29 06:00
VLAI?
Summary
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->i2c_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: <TASK> 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->i2c_subip_regs[i]) to ensure safe memory access.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 4228966def884c6e34b85cdc7118c5d013e1718f , < 78d4cf0466c79452e47aa6f720afbde63e709ccc (git)
Affected: 4228966def884c6e34b85cdc7118c5d013e1718f , < a7fc15ed629be89e51e09b743277c53e0a0168f5 (git)
Create a notification for this product.
    Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.16.5 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "78d4cf0466c79452e47aa6f720afbde63e709ccc",
              "status": "affected",
              "version": "4228966def884c6e34b85cdc7118c5d013e1718f",
              "versionType": "git"
            },
            {
              "lessThan": "a7fc15ed629be89e51e09b743277c53e0a0168f5",
              "status": "affected",
              "version": "4228966def884c6e34b85cdc7118c5d013e1718f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.14"
            },
            {
              "lessThan": "6.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.5",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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 (\u0026dev-\u003ei2c_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  \u003cTASK\u003e\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 (\u0026dev-\u003ei2c_subip_regs[i]) to ensure\nsafe memory access."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T06:00:16.826Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39818",
    "datePublished": "2025-09-16T13:00:18.490Z",
    "dateReserved": "2025-04-16T07:20:57.138Z",
    "dateUpdated": "2025-09-29T06:00:16.826Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-39818\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-16T13:15:57.737\",\"lastModified\":\"2025-12-02T18:14:15.680\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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 (\u0026dev-\u003ei2c_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  \u003cTASK\u003e\\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 (\u0026dev-\u003ei2c_subip_regs[i]) to ensure\\nsafe memory access.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.14\",\"versionEndExcluding\":\"6.16.5\",\"matchCriteriaId\":\"7B71908C-DDA9-4EA9-9BC6-2C7DFA7822C8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"327D22EF-390B-454C-BD31-2ED23C998A1C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C730CD9A-D969-4A8E-9522-162AAF7C0EE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"39982C4B-716E-4B2F-8196-FA301F47807D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/78d4cf0466c79452e47aa6f720afbde63e709ccc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a7fc15ed629be89e51e09b743277c53e0a0168f5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.