fkie_cve-2024-26728
Vulnerability from fkie_nvd
Published
2024-04-03 17:15
Modified
2025-01-07 21:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix null-pointer dereference on edid reading Use i2c adapter when there isn't aux_mode in dc_link to fix a null-pointer derefence that happens when running igt@kms_force_connector_basic in a system with DCN2.1 and HDMI connector detected as below: [ +0.178146] BUG: kernel NULL pointer dereference, address: 00000000000004c0 [ +0.000010] #PF: supervisor read access in kernel mode [ +0.000005] #PF: error_code(0x0000) - not-present page [ +0.000004] PGD 0 P4D 0 [ +0.000006] Oops: 0000 [#1] PREEMPT SMP NOPTI [ +0.000006] CPU: 15 PID: 2368 Comm: kms_force_conne Not tainted 6.5.0-asdn+ #152 [ +0.000005] Hardware name: HP HP ENVY x360 Convertible 13-ay1xxx/8929, BIOS F.01 07/14/2021 [ +0.000004] RIP: 0010:i2c_transfer+0xd/0x100 [ +0.000011] Code: ea fc ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 55 53 <48> 8b 47 10 48 89 fb 48 83 38 00 0f 84 b3 00 00 00 83 3d 2f 80 16 [ +0.000004] RSP: 0018:ffff9c4f89c0fad0 EFLAGS: 00010246 [ +0.000005] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000080 [ +0.000003] RDX: 0000000000000002 RSI: ffff9c4f89c0fb20 RDI: 00000000000004b0 [ +0.000003] RBP: ffff9c4f89c0fb80 R08: 0000000000000080 R09: ffff8d8e0b15b980 [ +0.000003] R10: 00000000000380e0 R11: 0000000000000000 R12: 0000000000000080 [ +0.000002] R13: 0000000000000002 R14: ffff9c4f89c0fb0e R15: ffff9c4f89c0fb0f [ +0.000004] FS: 00007f9ad2176c40(0000) GS:ffff8d90fe9c0000(0000) knlGS:0000000000000000 [ +0.000003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0.000004] CR2: 00000000000004c0 CR3: 0000000121bc4000 CR4: 0000000000750ee0 [ +0.000003] PKRU: 55555554 [ +0.000003] Call Trace: [ +0.000006] <TASK> [ +0.000006] ? __die+0x23/0x70 [ +0.000011] ? page_fault_oops+0x17d/0x4c0 [ +0.000008] ? preempt_count_add+0x6e/0xa0 [ +0.000008] ? srso_alias_return_thunk+0x5/0x7f [ +0.000011] ? exc_page_fault+0x7f/0x180 [ +0.000009] ? asm_exc_page_fault+0x26/0x30 [ +0.000013] ? i2c_transfer+0xd/0x100 [ +0.000010] drm_do_probe_ddc_edid+0xc2/0x140 [drm] [ +0.000067] ? srso_alias_return_thunk+0x5/0x7f [ +0.000006] ? _drm_do_get_edid+0x97/0x3c0 [drm] [ +0.000043] ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm] [ +0.000042] edid_block_read+0x3b/0xd0 [drm] [ +0.000043] _drm_do_get_edid+0xb6/0x3c0 [drm] [ +0.000041] ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm] [ +0.000043] drm_edid_read_custom+0x37/0xd0 [drm] [ +0.000044] amdgpu_dm_connector_mode_valid+0x129/0x1d0 [amdgpu] [ +0.000153] drm_connector_mode_valid+0x3b/0x60 [drm_kms_helper] [ +0.000000] __drm_helper_update_and_validate+0xfe/0x3c0 [drm_kms_helper] [ +0.000000] ? amdgpu_dm_connector_get_modes+0xb6/0x520 [amdgpu] [ +0.000000] ? srso_alias_return_thunk+0x5/0x7f [ +0.000000] drm_helper_probe_single_connector_modes+0x2ab/0x540 [drm_kms_helper] [ +0.000000] status_store+0xb2/0x1f0 [drm] [ +0.000000] kernfs_fop_write_iter+0x136/0x1d0 [ +0.000000] vfs_write+0x24d/0x440 [ +0.000000] ksys_write+0x6f/0xf0 [ +0.000000] do_syscall_64+0x60/0xc0 [ +0.000000] ? srso_alias_return_thunk+0x5/0x7f [ +0.000000] ? syscall_exit_to_user_mode+0x2b/0x40 [ +0.000000] ? srso_alias_return_thunk+0x5/0x7f [ +0.000000] ? do_syscall_64+0x6c/0xc0 [ +0.000000] ? do_syscall_64+0x6c/0xc0 [ +0.000000] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ +0.000000] RIP: 0033:0x7f9ad46b4b00 [ +0.000000] Code: 40 00 48 8b 15 19 b3 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d e1 3a 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ +0.000000] RSP: 002b:00007ffcbd3bd6d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ +0.000000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ad46b4b00 [ +0.000000] RDX: 0000000000000002 RSI: 00007f9ad48a7417 RDI: 0000000000000009 [ +0.000000] RBP: 0000000000000002 R08 ---truncated---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "575EE16B-67F2-4B5B-B5F8-1877715C898B",
              "versionEndExcluding": "6.7.7",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix null-pointer dereference on edid reading\n\nUse i2c adapter when there isn\u0027t aux_mode in dc_link to fix a\nnull-pointer derefence that happens when running\nigt@kms_force_connector_basic in a system with DCN2.1 and HDMI connector\ndetected as below:\n\n[  +0.178146] BUG: kernel NULL pointer dereference, address: 00000000000004c0\n[  +0.000010] #PF: supervisor read access in kernel mode\n[  +0.000005] #PF: error_code(0x0000) - not-present page\n[  +0.000004] PGD 0 P4D 0\n[  +0.000006] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[  +0.000006] CPU: 15 PID: 2368 Comm: kms_force_conne Not tainted 6.5.0-asdn+ #152\n[  +0.000005] Hardware name: HP HP ENVY x360 Convertible 13-ay1xxx/8929, BIOS F.01 07/14/2021\n[  +0.000004] RIP: 0010:i2c_transfer+0xd/0x100\n[  +0.000011] Code: ea fc ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 55 53 \u003c48\u003e 8b 47 10 48 89 fb 48 83 38 00 0f 84 b3 00 00 00 83 3d 2f 80 16\n[  +0.000004] RSP: 0018:ffff9c4f89c0fad0 EFLAGS: 00010246\n[  +0.000005] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000080\n[  +0.000003] RDX: 0000000000000002 RSI: ffff9c4f89c0fb20 RDI: 00000000000004b0\n[  +0.000003] RBP: ffff9c4f89c0fb80 R08: 0000000000000080 R09: ffff8d8e0b15b980\n[  +0.000003] R10: 00000000000380e0 R11: 0000000000000000 R12: 0000000000000080\n[  +0.000002] R13: 0000000000000002 R14: ffff9c4f89c0fb0e R15: ffff9c4f89c0fb0f\n[  +0.000004] FS:  00007f9ad2176c40(0000) GS:ffff8d90fe9c0000(0000) knlGS:0000000000000000\n[  +0.000003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  +0.000004] CR2: 00000000000004c0 CR3: 0000000121bc4000 CR4: 0000000000750ee0\n[  +0.000003] PKRU: 55555554\n[  +0.000003] Call Trace:\n[  +0.000006]  \u003cTASK\u003e\n[  +0.000006]  ? __die+0x23/0x70\n[  +0.000011]  ? page_fault_oops+0x17d/0x4c0\n[  +0.000008]  ? preempt_count_add+0x6e/0xa0\n[  +0.000008]  ? srso_alias_return_thunk+0x5/0x7f\n[  +0.000011]  ? exc_page_fault+0x7f/0x180\n[  +0.000009]  ? asm_exc_page_fault+0x26/0x30\n[  +0.000013]  ? i2c_transfer+0xd/0x100\n[  +0.000010]  drm_do_probe_ddc_edid+0xc2/0x140 [drm]\n[  +0.000067]  ? srso_alias_return_thunk+0x5/0x7f\n[  +0.000006]  ? _drm_do_get_edid+0x97/0x3c0 [drm]\n[  +0.000043]  ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm]\n[  +0.000042]  edid_block_read+0x3b/0xd0 [drm]\n[  +0.000043]  _drm_do_get_edid+0xb6/0x3c0 [drm]\n[  +0.000041]  ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm]\n[  +0.000043]  drm_edid_read_custom+0x37/0xd0 [drm]\n[  +0.000044]  amdgpu_dm_connector_mode_valid+0x129/0x1d0 [amdgpu]\n[  +0.000153]  drm_connector_mode_valid+0x3b/0x60 [drm_kms_helper]\n[  +0.000000]  __drm_helper_update_and_validate+0xfe/0x3c0 [drm_kms_helper]\n[  +0.000000]  ? amdgpu_dm_connector_get_modes+0xb6/0x520 [amdgpu]\n[  +0.000000]  ? srso_alias_return_thunk+0x5/0x7f\n[  +0.000000]  drm_helper_probe_single_connector_modes+0x2ab/0x540 [drm_kms_helper]\n[  +0.000000]  status_store+0xb2/0x1f0 [drm]\n[  +0.000000]  kernfs_fop_write_iter+0x136/0x1d0\n[  +0.000000]  vfs_write+0x24d/0x440\n[  +0.000000]  ksys_write+0x6f/0xf0\n[  +0.000000]  do_syscall_64+0x60/0xc0\n[  +0.000000]  ? srso_alias_return_thunk+0x5/0x7f\n[  +0.000000]  ? syscall_exit_to_user_mode+0x2b/0x40\n[  +0.000000]  ? srso_alias_return_thunk+0x5/0x7f\n[  +0.000000]  ? do_syscall_64+0x6c/0xc0\n[  +0.000000]  ? do_syscall_64+0x6c/0xc0\n[  +0.000000]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n[  +0.000000] RIP: 0033:0x7f9ad46b4b00\n[  +0.000000] Code: 40 00 48 8b 15 19 b3 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d e1 3a 0e 00 00 74 17 b8 01 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89\n[  +0.000000] RSP: 002b:00007ffcbd3bd6d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001\n[  +0.000000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ad46b4b00\n[  +0.000000] RDX: 0000000000000002 RSI: 00007f9ad48a7417 RDI: 0000000000000009\n[  +0.000000] RBP: 0000000000000002 R08\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: corrige la desreferencia del puntero nulo en la lectura de edid Utilice el adaptador i2c cuando no haya aux_mode en dc_link para corregir una desreferencia del puntero nulo que ocurre al ejecutar igt@ kms_force_connector_basic en un SYSTEM con DCN2.1 y conector HDMI se detect\u00f3 como se muestra a continuaci\u00f3n: [+0.178146] ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000004c0 [+0.000010] #PF: acceso de lectura del supervisor en modo kernel [+0.000005] #PF: c\u00f3digo_error (0x0000) - p\u00e1gina no presente [+0.000004] PGD 0 P4D 0 [+0.000006] Ups: 0000 [#1] PREEMPT SMP NOPTI [+0.000006] CPU: 15 PID: 2368 Comm: kms_force_conne No contaminado 6.5.0-asdn+ #152 [+0.000005] Nombre de hardware: HP HP ENVY x360 Convertible 13-ay1xxx/8929, BIOS F.01 14/07/2021 [+0.000004] RIP: 0010:i2c_transfer+0xd/0x100 [+0.000011] C\u00f3digo: ea fc ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 55 53 \u0026lt;48\u0026gt; 8b 4 7 10 48 89 fb 48 83 38 00 0f 84 b3 00 00 00 83 3d 2f 80 16 [ +0.000004] RSP: 0018:ffff9c4f89c0fad0 EFLAGS: 00010246 [ +0.000005] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000080 [+0.000003] RDX: 0000000000000002 RSI: ffff9c4f89c0fb20 RDI : 00000000000004b0 [ +0.000003] RBP: ffff9c4f89c0fb80 R08: 0000000000000080 R09: ffff8d8e0b15b980 [ +0.000003] R10: 00000000000380e0 R11: 0000000000000000 R12: 0000000000000080 [ +0.000002] R13: 0000000000000002 R14: ffff9c4f89c0fb0e R15: ffff9c4f89c0fb0f [ +0.000004] FS: 000 07f9ad2176c40(0000 ) GS:ffff8d90fe9c0000(0000) knlGS:0000000000000000 [ +0.000003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0.000004] CR2: 0000000000000 4c0 CR3: 0000000121bc4000 CR4: 0000000000750ee0 [ +0.000003] PKRU: 55555554 [ +0.000003] Seguimiento de llamadas: [ +0.000006]  [ +0.000006] ? __die+0x23/0x70 [ +0.000011] ? page_fault_oops+0x17d/0x4c0 [+0.000008]? preempt_count_add+0x6e/0xa0 [+0.000008]? srso_alias_return_thunk+0x5/0x7f [+0.000011]? exc_page_fault+0x7f/0x180 [+0.000009]? asm_exc_page_fault+0x26/0x30 [+0.000013]? i2c_transfer+0xd/0x100 [ +0.000010] drm_do_probe_ddc_edid+0xc2/0x140 [drm] [ +0.000067] ? srso_alias_return_thunk+0x5/0x7f [+0.000006]? _drm_do_get_edid+0x97/0x3c0 [drm] [ +0.000043] ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm] [ +0.000042] edid_block_read+0x3b/0xd0 [drm] [ +0.000043] _drm_do_get_edid+0xb6/0x3c0 [drm] [ +0.000041] ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm] [ +0.000043] drm_edid_read_custom+0x37/0xd0 [drm] [ +0.000044] amdgpu_dm_connector_mode_valid+0x129/0x1d0 [amdgpu] [ +0.000153] dr m_connector_mode_valid+0x3b/0x60 [drm_kms_helper] [ +0.000000] __drm_helper_update_and_validate+ 0xfe/0x3c0 [drm_kms_helper] [+0.000000]? amdgpu_dm_connector_get_modes+0xb6/0x520 [amdgpu] [+0.000000]? srso_alias_return_thunk+0x5/0x7f [ +0.000000] drm_helper_probe_single_connector_modes+0x2ab/0x540 [drm_kms_helper] [ +0.000000] status_store+0xb2/0x1f0 [drm] [ +0.000000] kernfs_fop_write_iter +0x136/0x1d0 [ +0,000000] vfs_write+0x24d/0x440 [ +0,000000 ] ksys_write+0x6f/0xf0 [ +0.000000] do_syscall_64+0x60/0xc0 [ +0.000000] ? srso_alias_return_thunk+0x5/0x7f [+0.000000]? syscall_exit_to_user_mode+0x2b/0x40 [+0.000000]? srso_alias_return_thunk+0x5/0x7f [+0.000000]? do_syscall_64+0x6c/0xc0 [+0.000000]? do_syscall_64+0x6c/0xc0 [ +0.000000] Entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ +0.000000] RIP: 0033:0x7f9ad46b4b00 [ +0.000000] C\u00f3digo: 40 00 48 8b 15 19 b3 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d e1 3a 0e 00 00 74 17 b8 01 00 00 00 0f 05 \u0026lt;48\u0026gt; 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ +0 .000000] RSP : 002b:00007ffcbd3bd6d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ +0.000000] RAX: ffffffffffffffffda RBX: 00000000000000000 RCX: 00007f9ad46b4b00 [ +0 .000000] RDX: 0000000000000002 RSI: 00007f9ad48a7417 RDI: 0000000000000009 [+0.000000] RBP: 0000000000000002 R08 ---truncado-- -"
    }
  ],
  "id": "CVE-2024-26728",
  "lastModified": "2025-01-07T21:15:57.473",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-04-03T17:15:50.763",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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