{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39809","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.137Z","datePublished":"2025-09-16T13:00:11.977Z","dateUpdated":"2026-05-11T21:36:41.154Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:36:41.154Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length\n\nThe QuickI2C ACPI _DSD methods return ICRS and ISUB data with a\ntrailing byte, making the actual length is one more byte than the\nstructs defined.\n\nIt caused stack-out-of-bounds and kernel crash:\n\nkernel: BUG: KASAN: stack-out-of-bounds in quicki2c_acpi_get_dsd_property.constprop.0+0x111/0x1b0 [intel_quicki2c]\nkernel: Write of size 12 at addr ffff888106d1f900 by task kworker/u33:2/75\nkernel:\nkernel: CPU: 3 UID: 0 PID: 75 Comm: kworker/u33:2 Not tainted 6.16.0+ #3 PREEMPT(voluntary)\nkernel: Workqueue: async async_run_entry_fn\nkernel: Call Trace:\nkernel:  <TASK>\nkernel:  dump_stack_lvl+0x76/0xa0\nkernel:  print_report+0xd1/0x660\nkernel:  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\nkernel:  ? __kasan_slab_free+0x5d/0x80\nkernel:  ? kasan_addr_to_slab+0xd/0xb0\nkernel:  kasan_report+0xe1/0x120\nkernel:  ? quicki2c_acpi_get_dsd_property.constprop.0+0x111/0x1b0 [intel_quicki2c]\nkernel:  ? quicki2c_acpi_get_dsd_property.constprop.0+0x111/0x1b0 [intel_quicki2c]\nkernel:  kasan_check_range+0x11c/0x200\nkernel:  __asan_memcpy+0x3b/0x80\nkernel:  quicki2c_acpi_get_dsd_property.constprop.0+0x111/0x1b0 [intel_quicki2c]\nkernel:  ? __pfx_quicki2c_acpi_get_dsd_property.constprop.0+0x10/0x10 [intel_quicki2c]\nkernel:  quicki2c_get_acpi_resources+0x237/0x730 [intel_quicki2c]\n[...]\nkernel:  </TASK>\nkernel:\nkernel: The buggy address belongs to stack of task kworker/u33:2/75\nkernel:  and is located at offset 48 in frame:\nkernel:  quicki2c_get_acpi_resources+0x0/0x730 [intel_quicki2c]\nkernel:\nkernel: This frame has 3 objects:\nkernel:  [32, 36) 'hid_desc_addr'\nkernel:  [48, 59) 'i2c_param'\nkernel:  [80, 224) 'i2c_config'\n\nACPI DSD methods return:\n\n\\_SB.PC00.THC0.ICRS Buffer       000000003fdc947b 001 Len 0C = 0A 00 80 1A 06 00 00 00 00 00 00 00\n\\_SB.PC00.THC0.ISUB Buffer       00000000f2fcbdc4 001 Len 91 = 00 00 00 00 00 00 00 00 00 00 00 00\n\nAdding reserved padding to quicki2c_subip_acpi_parameter/config."}],"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-quicki2c/quicki2c-dev.h"],"versions":[{"version":"5282e45ccbfa91524944a32d40386c54fdd4d145","lessThan":"4adce86d4b13d15dec7810967839b931b1598700","status":"affected","versionType":"git"},{"version":"5282e45ccbfa91524944a32d40386c54fdd4d145","lessThan":"1db9df89a213318a48d958385dc1b17b379dc32b","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-quicki2c/quicki2c-dev.h"],"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/4adce86d4b13d15dec7810967839b931b1598700"},{"url":"https://git.kernel.org/stable/c/1db9df89a213318a48d958385dc1b17b379dc32b"}],"title":"HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length","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-2025-39809","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-01-14T18:14:35.149925Z"}}}],"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":"2026-01-14T18:22:54.861Z"}}]}}