cve-2024-26728
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2024-12-19 08:45
Severity ?
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 Version: 0e859faf8670a78ce206977dcf1a31a0231e9ca5
Version: 0e859faf8670a78ce206977dcf1a31a0231e9ca5
 Create a notification for this product.
   Linux Linux Version: 6.7
 Create a notification for this product.
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{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-02T00:14:12.935Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
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            references: [
               {
                  tags: [
                     "x_transferred",
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                  url: "https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777",
               },
            ],
            title: "CVE Program Container",
         },
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2024-26728",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-09-10T15:52:07.138513Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-09-11T17:33:21.807Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               defaultStatus: "unaffected",
               product: "Linux",
               programFiles: [
                  "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     lessThan: "2d392f7268a1a9bfbd98c831f0f4c964e59aa145",
                     status: "affected",
                     version: "0e859faf8670a78ce206977dcf1a31a0231e9ca5",
                     versionType: "git",
                  },
                  {
                     lessThan: "9671761792156f2339627918bafcd713a8a6f777",
                     status: "affected",
                     version: "0e859faf8670a78ce206977dcf1a31a0231e9ca5",
                     versionType: "git",
                  },
               ],
            },
            {
               defaultStatus: "affected",
               product: "Linux",
               programFiles: [
                  "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.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: "6.7.*",
                     status: "unaffected",
                     version: "6.7.7",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "*",
                     status: "unaffected",
                     version: "6.8",
                     versionType: "original_commit_for_fix",
                  },
               ],
            },
         ],
         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't 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 <48> 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]  <TASK>\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 <48> 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---",
            },
         ],
         providerMetadata: {
            dateUpdated: "2024-12-19T08:45:59.543Z",
            orgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            shortName: "Linux",
         },
         references: [
            {
               url: "https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145",
            },
            {
               url: "https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777",
            },
         ],
         title: "drm/amd/display: fix null-pointer dereference on edid reading",
         x_generator: {
            engine: "bippy-5f407fcff5a0",
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      assignerShortName: "Linux",
      cveId: "CVE-2024-26728",
      datePublished: "2024-04-03T17:00:16.776Z",
      dateReserved: "2024-02-19T14:20:24.164Z",
      dateUpdated: "2024-12-19T08:45:59.543Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2024-26728\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T17:15:50.763\",\"lastModified\":\"2025-01-07T21:15:57.473\",\"vulnStatus\":\"Analyzed\",\"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't 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 <48> 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]  <TASK>\\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 <48> 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 resolvió 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 detectó como se muestra a continuación: [+0.178146] ERROR: desreferencia del puntero NULL del kernel, dirección: 00000000000004c0 [+0.000010] #PF: acceso de lectura del supervisor en modo kernel [+0.000005] #PF: código_error (0x0000) - página 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] Código: 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 &lt;48&gt; 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] Código: 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 &lt;48&gt; 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-- -\"}],\"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\",\"versionEndExcluding\":\"6.7.7\",\"matchCriteriaId\":\"575EE16B-67F2-4B5B-B5F8-1877715C898B\"},{\"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\"}]}]}],\"references\":[{\"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\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"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\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T00:14:12.935Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-26728\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:52:07.138513Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:16.332Z\"}}], \"cna\": {\"title\": \"drm/amd/display: fix null-pointer dereference on edid reading\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"0e859faf8670a78ce206977dcf1a31a0231e9ca5\", \"lessThan\": \"2d392f7268a1a9bfbd98c831f0f4c964e59aa145\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0e859faf8670a78ce206977dcf1a31a0231e9ca5\", \"lessThan\": \"9671761792156f2339627918bafcd713a8a6f777\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.7.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145\"}, {\"url\": \"https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"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't 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 <48> 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]  <TASK>\\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 <48> 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---\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:45:59.543Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-26728\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:45:59.543Z\", \"dateReserved\": \"2024-02-19T14:20:24.164Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-03T17:00:16.776Z\", \"assignerShortName\": \"Linux\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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