CVE-2026-23369 (GCVE-0-2026-23369)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:27 – Updated: 2026-05-11 22:05
VLAI
Title
i2c: i801: Revert "i2c: i801: replace acpi_lock with I2C bus lock"
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Revert "i2c: i801: replace acpi_lock with I2C bus lock" This reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple udev threads can collect i801 device info on boot and walk i801_acpi_io_handler somewhat concurrently. The first will note the area is reserved by acpi to prevent further touches. This ultimately causes the area to be deregistered. The second will enter i801_acpi_io_handler after the area is unregistered but before a check can be made that the area is unregistered. i2c_lock_bus relies on the now unregistered area containing lock_ops to lock the bus. The end result is a kernel panic on boot with the following backtrace; [ 14.971872] ioatdma 0000:09:00.2: enabling device (0100 -> 0102) [ 14.971873] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 14.971880] #PF: supervisor read access in kernel mode [ 14.971884] #PF: error_code(0x0000) - not-present page [ 14.971887] PGD 0 P4D 0 [ 14.971894] Oops: 0000 [#1] PREEMPT SMP PTI [ 14.971900] CPU: 5 PID: 956 Comm: systemd-udevd Not tainted 5.14.0-611.5.1.el9_7.x86_64 #1 [ 14.971905] Hardware name: XXXXXXXXXXXXXXXXXXXXXXX BIOS 1.20.10.SV91 01/30/2023 [ 14.971908] RIP: 0010:i801_acpi_io_handler+0x2d/0xb0 [i2c_i801] [ 14.971929] Code: 00 00 49 8b 40 20 41 57 41 56 4d 8b b8 30 04 00 00 49 89 ce 41 55 41 89 d5 41 54 49 89 f4 be 02 00 00 00 55 4c 89 c5 53 89 fb <48> 8b 00 4c 89 c7 e8 18 61 54 e9 80 bd 80 04 00 00 00 75 09 4c 3b [ 14.971933] RSP: 0018:ffffbaa841483838 EFLAGS: 00010282 [ 14.971938] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff9685e01ba568 [ 14.971941] RDX: 0000000000000008 RSI: 0000000000000002 RDI: 0000000000000000 [ 14.971944] RBP: ffff9685ca22f028 R08: ffff9685ca22f028 R09: ffff9685ca22f028 [ 14.971948] R10: 000000000000000b R11: 0000000000000580 R12: 0000000000000580 [ 14.971951] R13: 0000000000000008 R14: ffff9685e01ba568 R15: ffff9685c222f000 [ 14.971954] FS: 00007f8287c0ab40(0000) GS:ffff96a47f940000(0000) knlGS:0000000000000000 [ 14.971959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.971963] CR2: 0000000000000000 CR3: 0000000168090001 CR4: 00000000003706f0 [ 14.971966] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 14.971968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 14.971972] Call Trace: [ 14.971977] <TASK> [ 14.971981] ? show_trace_log_lvl+0x1c4/0x2df [ 14.971994] ? show_trace_log_lvl+0x1c4/0x2df [ 14.972003] ? acpi_ev_address_space_dispatch+0x16e/0x3c0 [ 14.972014] ? __die_body.cold+0x8/0xd [ 14.972021] ? page_fault_oops+0x132/0x170 [ 14.972028] ? exc_page_fault+0x61/0x150 [ 14.972036] ? asm_exc_page_fault+0x22/0x30 [ 14.972045] ? i801_acpi_io_handler+0x2d/0xb0 [i2c_i801] [ 14.972061] acpi_ev_address_space_dispatch+0x16e/0x3c0 [ 14.972069] ? __pfx_i801_acpi_io_handler+0x10/0x10 [i2c_i801] [ 14.972085] acpi_ex_access_region+0x5b/0xd0 [ 14.972093] acpi_ex_field_datum_io+0x73/0x2e0 [ 14.972100] acpi_ex_read_data_from_field+0x8e/0x230 [ 14.972106] acpi_ex_resolve_node_to_value+0x23d/0x310 [ 14.972114] acpi_ds_evaluate_name_path+0xad/0x110 [ 14.972121] acpi_ds_exec_end_op+0x321/0x510 [ 14.972127] acpi_ps_parse_loop+0xf7/0x680 [ 14.972136] acpi_ps_parse_aml+0x17a/0x3d0 [ 14.972143] acpi_ps_execute_method+0x137/0x270 [ 14.972150] acpi_ns_evaluate+0x1f4/0x2e0 [ 14.972158] acpi_evaluate_object+0x134/0x2f0 [ 14.972164] acpi_evaluate_integer+0x50/0xe0 [ 14.972173] ? vsnprintf+0x24b/0x570 [ 14.972181] acpi_ac_get_state.part.0+0x23/0x70 [ 14.972189] get_ac_property+0x4e/0x60 [ 14.972195] power_supply_show_property+0x90/0x1f0 [ 14.972205] add_prop_uevent+0x29/0x90 [ 14.972213] power_supply_uevent+0x109/0x1d0 [ 14.972222] dev_uevent+0x10e/0x2f0 [ 14.972228] uevent_show+0x8e/0x100 [ 14.972236] dev_attr_show+0x19 ---truncated---
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f707d6b9e7c18f669adfdb443906d46cfbaaa0c1 , < 9507f9953a2a5647eb42668d0c243fdbd7e72954 (git)
Affected: f707d6b9e7c18f669adfdb443906d46cfbaaa0c1 , < 1c72e7b0b442ce21a1348d9b8237cfddb67048eb (git)
Affected: f707d6b9e7c18f669adfdb443906d46cfbaaa0c1 , < c726273044a5a8308a889d19d6884135c0f3321d (git)
Affected: f707d6b9e7c18f669adfdb443906d46cfbaaa0c1 , < cfc69c2e6c699c96949f7b0455195b0bfb7dc715 (git)
Create a notification for this product.
Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.12.77 , ≤ 6.12.* (semver)
Unaffected: 6.18.17 , ≤ 6.18.* (semver)
Unaffected: 6.19.7 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-i801.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9507f9953a2a5647eb42668d0c243fdbd7e72954",
              "status": "affected",
              "version": "f707d6b9e7c18f669adfdb443906d46cfbaaa0c1",
              "versionType": "git"
            },
            {
              "lessThan": "1c72e7b0b442ce21a1348d9b8237cfddb67048eb",
              "status": "affected",
              "version": "f707d6b9e7c18f669adfdb443906d46cfbaaa0c1",
              "versionType": "git"
            },
            {
              "lessThan": "c726273044a5a8308a889d19d6884135c0f3321d",
              "status": "affected",
              "version": "f707d6b9e7c18f669adfdb443906d46cfbaaa0c1",
              "versionType": "git"
            },
            {
              "lessThan": "cfc69c2e6c699c96949f7b0455195b0bfb7dc715",
              "status": "affected",
              "version": "f707d6b9e7c18f669adfdb443906d46cfbaaa0c1",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-i801.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.77",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: i801: Revert \"i2c: i801: replace acpi_lock with I2C bus lock\"\n\nThis reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1.\n\nUnder rare circumstances, multiple udev threads can collect i801 device\ninfo on boot and walk i801_acpi_io_handler somewhat concurrently. The\nfirst will note the area is reserved by acpi to prevent further touches.\nThis ultimately causes the area to be deregistered. The second will\nenter i801_acpi_io_handler after the area is unregistered but before a\ncheck can be made that the area is unregistered. i2c_lock_bus relies on\nthe now unregistered area containing lock_ops to lock the bus. The end\nresult is a kernel panic on boot with the following backtrace;\n\n[   14.971872] ioatdma 0000:09:00.2: enabling device (0100 -\u003e 0102)\n[   14.971873] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[   14.971880] #PF: supervisor read access in kernel mode\n[   14.971884] #PF: error_code(0x0000) - not-present page\n[   14.971887] PGD 0 P4D 0\n[   14.971894] Oops: 0000 [#1] PREEMPT SMP PTI\n[   14.971900] CPU: 5 PID: 956 Comm: systemd-udevd Not tainted 5.14.0-611.5.1.el9_7.x86_64 #1\n[   14.971905] Hardware name: XXXXXXXXXXXXXXXXXXXXXXX BIOS 1.20.10.SV91 01/30/2023\n[   14.971908] RIP: 0010:i801_acpi_io_handler+0x2d/0xb0 [i2c_i801]\n[   14.971929] Code: 00 00 49 8b 40 20 41 57 41 56 4d 8b b8 30 04 00 00 49 89 ce 41 55 41 89 d5 41 54 49 89 f4 be 02 00 00 00 55 4c 89 c5 53 89 fb \u003c48\u003e 8b 00 4c 89 c7 e8 18 61 54 e9 80 bd 80 04 00 00 00 75 09 4c 3b\n[   14.971933] RSP: 0018:ffffbaa841483838 EFLAGS: 00010282\n[   14.971938] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff9685e01ba568\n[   14.971941] RDX: 0000000000000008 RSI: 0000000000000002 RDI: 0000000000000000\n[   14.971944] RBP: ffff9685ca22f028 R08: ffff9685ca22f028 R09: ffff9685ca22f028\n[   14.971948] R10: 000000000000000b R11: 0000000000000580 R12: 0000000000000580\n[   14.971951] R13: 0000000000000008 R14: ffff9685e01ba568 R15: ffff9685c222f000\n[   14.971954] FS:  00007f8287c0ab40(0000) GS:ffff96a47f940000(0000) knlGS:0000000000000000\n[   14.971959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[   14.971963] CR2: 0000000000000000 CR3: 0000000168090001 CR4: 00000000003706f0\n[   14.971966] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[   14.971968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[   14.971972] Call Trace:\n[   14.971977]  \u003cTASK\u003e\n[   14.971981]  ? show_trace_log_lvl+0x1c4/0x2df\n[   14.971994]  ? show_trace_log_lvl+0x1c4/0x2df\n[   14.972003]  ? acpi_ev_address_space_dispatch+0x16e/0x3c0\n[   14.972014]  ? __die_body.cold+0x8/0xd\n[   14.972021]  ? page_fault_oops+0x132/0x170\n[   14.972028]  ? exc_page_fault+0x61/0x150\n[   14.972036]  ? asm_exc_page_fault+0x22/0x30\n[   14.972045]  ? i801_acpi_io_handler+0x2d/0xb0 [i2c_i801]\n[   14.972061]  acpi_ev_address_space_dispatch+0x16e/0x3c0\n[   14.972069]  ? __pfx_i801_acpi_io_handler+0x10/0x10 [i2c_i801]\n[   14.972085]  acpi_ex_access_region+0x5b/0xd0\n[   14.972093]  acpi_ex_field_datum_io+0x73/0x2e0\n[   14.972100]  acpi_ex_read_data_from_field+0x8e/0x230\n[   14.972106]  acpi_ex_resolve_node_to_value+0x23d/0x310\n[   14.972114]  acpi_ds_evaluate_name_path+0xad/0x110\n[   14.972121]  acpi_ds_exec_end_op+0x321/0x510\n[   14.972127]  acpi_ps_parse_loop+0xf7/0x680\n[   14.972136]  acpi_ps_parse_aml+0x17a/0x3d0\n[   14.972143]  acpi_ps_execute_method+0x137/0x270\n[   14.972150]  acpi_ns_evaluate+0x1f4/0x2e0\n[   14.972158]  acpi_evaluate_object+0x134/0x2f0\n[   14.972164]  acpi_evaluate_integer+0x50/0xe0\n[   14.972173]  ? vsnprintf+0x24b/0x570\n[   14.972181]  acpi_ac_get_state.part.0+0x23/0x70\n[   14.972189]  get_ac_property+0x4e/0x60\n[   14.972195]  power_supply_show_property+0x90/0x1f0\n[   14.972205]  add_prop_uevent+0x29/0x90\n[   14.972213]  power_supply_uevent+0x109/0x1d0\n[   14.972222]  dev_uevent+0x10e/0x2f0\n[   14.972228]  uevent_show+0x8e/0x100\n[   14.972236]  dev_attr_show+0x19\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:05:32.733Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9507f9953a2a5647eb42668d0c243fdbd7e72954"
        },
        {
          "url": "https://git.kernel.org/stable/c/1c72e7b0b442ce21a1348d9b8237cfddb67048eb"
        },
        {
          "url": "https://git.kernel.org/stable/c/c726273044a5a8308a889d19d6884135c0f3321d"
        },
        {
          "url": "https://git.kernel.org/stable/c/cfc69c2e6c699c96949f7b0455195b0bfb7dc715"
        }
      ],
      "title": "i2c: i801: Revert \"i2c: i801: replace acpi_lock with I2C bus lock\"",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23369",
    "datePublished": "2026-03-25T10:27:50.705Z",
    "dateReserved": "2026-01-13T15:37:46.003Z",
    "dateUpdated": "2026-05-11T22:05:32.733Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-23369",
      "date": "2026-08-15",
      "epss": "0.00122",
      "percentile": "0.02358"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23369\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-03-25T11:16:36.347\",\"lastModified\":\"2026-06-17T10:21:26.730\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ni2c: i801: Revert \\\"i2c: i801: replace acpi_lock with I2C bus lock\\\"\\n\\nThis reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1.\\n\\nUnder rare circumstances, multiple udev threads can collect i801 device\\ninfo on boot and walk i801_acpi_io_handler somewhat concurrently. The\\nfirst will note the area is reserved by acpi to prevent further touches.\\nThis ultimately causes the area to be deregistered. The second will\\nenter i801_acpi_io_handler after the area is unregistered but before a\\ncheck can be made that the area is unregistered. i2c_lock_bus relies on\\nthe now unregistered area containing lock_ops to lock the bus. The end\\nresult is a kernel panic on boot with the following backtrace;\\n\\n[   14.971872] ioatdma 0000:09:00.2: enabling device (0100 -\u003e 0102)\\n[   14.971873] BUG: kernel NULL pointer dereference, address: 0000000000000000\\n[   14.971880] #PF: supervisor read access in kernel mode\\n[   14.971884] #PF: error_code(0x0000) - not-present page\\n[   14.971887] PGD 0 P4D 0\\n[   14.971894] Oops: 0000 [#1] PREEMPT SMP PTI\\n[   14.971900] CPU: 5 PID: 956 Comm: systemd-udevd Not tainted 5.14.0-611.5.1.el9_7.x86_64 #1\\n[   14.971905] Hardware name: XXXXXXXXXXXXXXXXXXXXXXX BIOS 1.20.10.SV91 01/30/2023\\n[   14.971908] RIP: 0010:i801_acpi_io_handler+0x2d/0xb0 [i2c_i801]\\n[   14.971929] Code: 00 00 49 8b 40 20 41 57 41 56 4d 8b b8 30 04 00 00 49 89 ce 41 55 41 89 d5 41 54 49 89 f4 be 02 00 00 00 55 4c 89 c5 53 89 fb \u003c48\u003e 8b 00 4c 89 c7 e8 18 61 54 e9 80 bd 80 04 00 00 00 75 09 4c 3b\\n[   14.971933] RSP: 0018:ffffbaa841483838 EFLAGS: 00010282\\n[   14.971938] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff9685e01ba568\\n[   14.971941] RDX: 0000000000000008 RSI: 0000000000000002 RDI: 0000000000000000\\n[   14.971944] RBP: ffff9685ca22f028 R08: ffff9685ca22f028 R09: ffff9685ca22f028\\n[   14.971948] R10: 000000000000000b R11: 0000000000000580 R12: 0000000000000580\\n[   14.971951] R13: 0000000000000008 R14: ffff9685e01ba568 R15: ffff9685c222f000\\n[   14.971954] FS:  00007f8287c0ab40(0000) GS:ffff96a47f940000(0000) knlGS:0000000000000000\\n[   14.971959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[   14.971963] CR2: 0000000000000000 CR3: 0000000168090001 CR4: 00000000003706f0\\n[   14.971966] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\n[   14.971968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\n[   14.971972] Call Trace:\\n[   14.971977]  \u003cTASK\u003e\\n[   14.971981]  ? show_trace_log_lvl+0x1c4/0x2df\\n[   14.971994]  ? show_trace_log_lvl+0x1c4/0x2df\\n[   14.972003]  ? acpi_ev_address_space_dispatch+0x16e/0x3c0\\n[   14.972014]  ? __die_body.cold+0x8/0xd\\n[   14.972021]  ? page_fault_oops+0x132/0x170\\n[   14.972028]  ? exc_page_fault+0x61/0x150\\n[   14.972036]  ? asm_exc_page_fault+0x22/0x30\\n[   14.972045]  ? i801_acpi_io_handler+0x2d/0xb0 [i2c_i801]\\n[   14.972061]  acpi_ev_address_space_dispatch+0x16e/0x3c0\\n[   14.972069]  ? __pfx_i801_acpi_io_handler+0x10/0x10 [i2c_i801]\\n[   14.972085]  acpi_ex_access_region+0x5b/0xd0\\n[   14.972093]  acpi_ex_field_datum_io+0x73/0x2e0\\n[   14.972100]  acpi_ex_read_data_from_field+0x8e/0x230\\n[   14.972106]  acpi_ex_resolve_node_to_value+0x23d/0x310\\n[   14.972114]  acpi_ds_evaluate_name_path+0xad/0x110\\n[   14.972121]  acpi_ds_exec_end_op+0x321/0x510\\n[   14.972127]  acpi_ps_parse_loop+0xf7/0x680\\n[   14.972136]  acpi_ps_parse_aml+0x17a/0x3d0\\n[   14.972143]  acpi_ps_execute_method+0x137/0x270\\n[   14.972150]  acpi_ns_evaluate+0x1f4/0x2e0\\n[   14.972158]  acpi_evaluate_object+0x134/0x2f0\\n[   14.972164]  acpi_evaluate_integer+0x50/0xe0\\n[   14.972173]  ? vsnprintf+0x24b/0x570\\n[   14.972181]  acpi_ac_get_state.part.0+0x23/0x70\\n[   14.972189]  get_ac_property+0x4e/0x60\\n[   14.972195]  power_supply_show_property+0x90/0x1f0\\n[   14.972205]  add_prop_uevent+0x29/0x90\\n[   14.972213]  power_supply_uevent+0x109/0x1d0\\n[   14.972222]  dev_uevent+0x10e/0x2f0\\n[   14.972228]  uevent_show+0x8e/0x100\\n[   14.972236]  dev_attr_show+0x19\\n---truncated---\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/i2c/busses/i2c-i801.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"f707d6b9e7c18f669adfdb443906d46cfbaaa0c1\",\"lessThan\":\"9507f9953a2a5647eb42668d0c243fdbd7e72954\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f707d6b9e7c18f669adfdb443906d46cfbaaa0c1\",\"lessThan\":\"1c72e7b0b442ce21a1348d9b8237cfddb67048eb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f707d6b9e7c18f669adfdb443906d46cfbaaa0c1\",\"lessThan\":\"c726273044a5a8308a889d19d6884135c0f3321d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f707d6b9e7c18f669adfdb443906d46cfbaaa0c1\",\"lessThan\":\"cfc69c2e6c699c96949f7b0455195b0bfb7dc715\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/i2c/busses/i2c-i801.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.77\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.17\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.19.7\",\"lessThanOrEqual\":\"6.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.1\",\"versionEndExcluding\":\"6.12.77\",\"matchCriteriaId\":\"EAB42ADC-2196-46FA-AAE7-AE91B7577E53\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.17\",\"matchCriteriaId\":\"A5E006E4-59C7-43C1-9231-62A72219F2BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"6.19.7\",\"matchCriteriaId\":\"69245D10-0B71-485E-80C3-A64F077004D3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.7:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"62B55B1B-7D3E-499B-9C42-E9F1EF05A54A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"F253B622-8837-4245-BCE5-A7BF8FC76A16\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F666C8D8-6538-46D4-B318-87610DE64C34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"02259FDA-961B-47BC-AE7F-93D7EC6E90C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"1D2315C0-D46F-4F85-9754-F9E5E11374A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"512EE3A8-A590-4501-9A94-5D4B268D6138\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1c72e7b0b442ce21a1348d9b8237cfddb67048eb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9507f9953a2a5647eb42668d0c243fdbd7e72954\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c726273044a5a8308a889d19d6884135c0f3321d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cfc69c2e6c699c96949f7b0455195b0bfb7dc715\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:51:08+00:00",
      "cve": "CVE-2026-23369",
      "id": "CVE-2026-23369",
      "initial_release_date": "2026-03-25T00:00:00+00:00",
      "product_status:known_affected": "198",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: i2c: i801: Revert \"i2c: i801: replace acpi_lock with I2C bus lock\"",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23369.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.