2024-02-19 15:01:46 +00:00
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{
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2024-04-03 18:00:35 +00:00
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"data_version": "4.0",
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2024-02-19 15:01:46 +00:00
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-26728",
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2024-04-03 18:00:35 +00:00
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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2024-02-19 15:01:46 +00:00
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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2024-04-03 18:00:35 +00:00
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"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---"
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2024-02-19 15:01:46 +00:00
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}
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]
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2024-04-03 18:00:35 +00:00
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "0e859faf8670",
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"version_value": "2d392f7268a1"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.7",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.7",
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"status": "unaffected",
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2024-11-05 10:00:47 +00:00
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"versionType": "semver"
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2024-04-03 18:00:35 +00:00
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},
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{
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"version": "6.7.7",
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"lessThanOrEqual": "6.7.*",
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"status": "unaffected",
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2024-11-05 10:00:47 +00:00
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"versionType": "semver"
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2024-04-03 18:00:35 +00:00
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},
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{
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"version": "6.8",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/2d392f7268a1a9bfbd98c831f0f4c964e59aa145"
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},
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{
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"url": "https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/9671761792156f2339627918bafcd713a8a6f777"
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}
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]
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},
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"generator": {
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2024-11-05 10:00:47 +00:00
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"engine": "bippy-9e1c9544281a"
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2024-02-19 15:01:46 +00:00
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}
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}
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