{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-57919", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-01-19T11:50:08.375Z", "datePublished": "2025-01-19T11:52:39.192Z", "dateUpdated": "2025-01-20T06:29:33.282Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-01-20T06:29:33.282Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix divide error in DM plane scale calcs\n\ndm_get_plane_scale doesn't take into account plane scaled size equal to\nzero, leading to a kernel oops due to division by zero. Fix by setting\nout-scale size as zero when the dst size is zero, similar to what is\ndone by drm_calc_scale(). This issue started with the introduction of\ncursor ovelay mode that uses this function to assess cursor mode changes\nvia dm_crtc_get_cursor_mode() before checking plane state.\n\n[Dec17 17:14] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n[ +0.000018] CPU: 5 PID: 1660 Comm: surface-DP-1 Not tainted 6.10.0+ #231\n[ +0.000007] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0131 01/30/2024\n[ +0.000004] RIP: 0010:dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000553] Code: 44 0f b7 41 3a 44 0f b7 49 3e 83 e0 0f 48 0f a3 c2 73 21 69 41 28 e8 03 00 00 31 d2 41 f7 f1 31 d2 89 06 69 41 2c e8 03 00 00 <41> f7 f0 89 07 e9 d7 d8 7e e9 44 89 c8 45 89 c1 41 89 c0 eb d4 66\n[ +0.000005] RSP: 0018:ffffa8df0de6b8a0 EFLAGS: 00010246\n[ +0.000006] RAX: 00000000000003e8 RBX: ffff9ac65c1f6e00 RCX: ffff9ac65d055500\n[ +0.000003] RDX: 0000000000000000 RSI: ffffa8df0de6b8b0 RDI: ffffa8df0de6b8b4\n[ +0.000004] RBP: ffff9ac64e7a5800 R08: 0000000000000000 R09: 0000000000000a00\n[ +0.000003] R10: 00000000000000ff R11: 0000000000000054 R12: ffff9ac6d0700010\n[ +0.000003] R13: ffff9ac65d054f00 R14: ffff9ac65d055500 R15: ffff9ac64e7a60a0\n[ +0.000004] FS: 00007f869ea00640(0000) GS:ffff9ac970080000(0000) knlGS:0000000000000000\n[ +0.000004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ +0.000003] CR2: 000055ca701becd0 CR3: 000000010e7f2000 CR4: 0000000000350ef0\n[ +0.000004] Call Trace:\n[ +0.000007] <TASK>\n[ +0.000006] ? __die_body.cold+0x19/0x27\n[ +0.000009] ? die+0x2e/0x50\n[ +0.000007] ? do_trap+0xca/0x110\n[ +0.000007] ? do_error_trap+0x6a/0x90\n[ +0.000006] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000504] ? exc_divide_error+0x38/0x50\n[ +0.000005] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000488] ? asm_exc_divide_error+0x1a/0x20\n[ +0.000011] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000593] dm_crtc_get_cursor_mode+0x33f/0x430 [amdgpu]\n[ +0.000562] amdgpu_dm_atomic_check+0x2ef/0x1770 [amdgpu]\n[ +0.000501] drm_atomic_check_only+0x5e1/0xa30 [drm]\n[ +0.000047] drm_mode_atomic_ioctl+0x832/0xcb0 [drm]\n[ +0.000050] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]\n[ +0.000047] drm_ioctl_kernel+0xb3/0x100 [drm]\n[ +0.000062] drm_ioctl+0x27a/0x4f0 [drm]\n[ +0.000049] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]\n[ +0.000055] amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]\n[ +0.000360] __x64_sys_ioctl+0x97/0xd0\n[ +0.000010] do_syscall_64+0x82/0x190\n[ +0.000008] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm]\n[ +0.000044] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? drm_ioctl_kernel+0xb3/0x100 [drm]\n[ +0.000040] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? __check_object_size+0x50/0x220\n[ +0.000007] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? drm_ioctl+0x2a4/0x4f0 [drm]\n[ +0.000039] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm]\n[ +0.000043] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? __pm_runtime_suspend+0x69/0xc0\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? amdgpu_drm_ioctl+0x71/0x90 [amdgpu]\n[ +0.000366] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? syscall_exit_to_user_mode+0x77/0x210\n[ +0.000007] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? do_syscall_64+0x8e/0x190\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? do_syscall_64+0x8e/0x190\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000007] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ +0.000008] RIP: 0033:0x55bb7cd962bc\n[ +0.000007] Code: 4c 89 6c 24 18 4c 89 64 24 20 4c 89 74 24 28 0f 57 c0 0f 11 44 24 30 89 c7 48 8d 54 24 08 b8 10 00 00 00 be bc 64\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"], "versions": [{"version": "1b04dcca4fb10dd3834893a60de74edd99f2bfaf", "lessThan": "c2eaa73bd542b0168a0519e4a1c6e94bc121ec3d", "status": "affected", "versionType": "git"}, {"version": "1b04dcca4fb10dd3834893a60de74edd99f2bfaf", "lessThan": "5225fd2a26211d012533acf98a6ad3f983885817", "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/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.10", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/c2eaa73bd542b0168a0519e4a1c6e94bc121ec3d"}, {"url": "https://git.kernel.org/stable/c/5225fd2a26211d012533acf98a6ad3f983885817"}], "title": "drm/amd/display: fix divide error in DM plane scale calcs", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AD20F8BA-D1BC-4584-8C68-17E958381157", "versionEndExcluding": "6.12.10", "versionStartIncluding": "6.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "93C0660D-7FB8-4FBA-892A-B064BA71E49E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*", "matchCriteriaId": "034C36A6-C481-41F3-AE9A-D116E5BE6895", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*", "matchCriteriaId": "8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2", "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 divide error in DM plane scale calcs\n\ndm_get_plane_scale doesn't take into account plane scaled size equal to\nzero, leading to a kernel oops due to division by zero. Fix by setting\nout-scale size as zero when the dst size is zero, similar to what is\ndone by drm_calc_scale(). This issue started with the introduction of\ncursor ovelay mode that uses this function to assess cursor mode changes\nvia dm_crtc_get_cursor_mode() before checking plane state.\n\n[Dec17 17:14] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n[ +0.000018] CPU: 5 PID: 1660 Comm: surface-DP-1 Not tainted 6.10.0+ #231\n[ +0.000007] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0131 01/30/2024\n[ +0.000004] RIP: 0010:dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000553] Code: 44 0f b7 41 3a 44 0f b7 49 3e 83 e0 0f 48 0f a3 c2 73 21 69 41 28 e8 03 00 00 31 d2 41 f7 f1 31 d2 89 06 69 41 2c e8 03 00 00 <41> f7 f0 89 07 e9 d7 d8 7e e9 44 89 c8 45 89 c1 41 89 c0 eb d4 66\n[ +0.000005] RSP: 0018:ffffa8df0de6b8a0 EFLAGS: 00010246\n[ +0.000006] RAX: 00000000000003e8 RBX: ffff9ac65c1f6e00 RCX: ffff9ac65d055500\n[ +0.000003] RDX: 0000000000000000 RSI: ffffa8df0de6b8b0 RDI: ffffa8df0de6b8b4\n[ +0.000004] RBP: ffff9ac64e7a5800 R08: 0000000000000000 R09: 0000000000000a00\n[ +0.000003] R10: 00000000000000ff R11: 0000000000000054 R12: ffff9ac6d0700010\n[ +0.000003] R13: ffff9ac65d054f00 R14: ffff9ac65d055500 R15: ffff9ac64e7a60a0\n[ +0.000004] FS: 00007f869ea00640(0000) GS:ffff9ac970080000(0000) knlGS:0000000000000000\n[ +0.000004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ +0.000003] CR2: 000055ca701becd0 CR3: 000000010e7f2000 CR4: 0000000000350ef0\n[ +0.000004] Call Trace:\n[ +0.000007] <TASK>\n[ +0.000006] ? __die_body.cold+0x19/0x27\n[ +0.000009] ? die+0x2e/0x50\n[ +0.000007] ? do_trap+0xca/0x110\n[ +0.000007] ? do_error_trap+0x6a/0x90\n[ +0.000006] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000504] ? exc_divide_error+0x38/0x50\n[ +0.000005] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000488] ? asm_exc_divide_error+0x1a/0x20\n[ +0.000011] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000593] dm_crtc_get_cursor_mode+0x33f/0x430 [amdgpu]\n[ +0.000562] amdgpu_dm_atomic_check+0x2ef/0x1770 [amdgpu]\n[ +0.000501] drm_atomic_check_only+0x5e1/0xa30 [drm]\n[ +0.000047] drm_mode_atomic_ioctl+0x832/0xcb0 [drm]\n[ +0.000050] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]\n[ +0.000047] drm_ioctl_kernel+0xb3/0x100 [drm]\n[ +0.000062] drm_ioctl+0x27a/0x4f0 [drm]\n[ +0.000049] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]\n[ +0.000055] amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]\n[ +0.000360] __x64_sys_ioctl+0x97/0xd0\n[ +0.000010] do_syscall_64+0x82/0x190\n[ +0.000008] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm]\n[ +0.000044] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? drm_ioctl_kernel+0xb3/0x100 [drm]\n[ +0.000040] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? __check_object_size+0x50/0x220\n[ +0.000007] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? drm_ioctl+0x2a4/0x4f0 [drm]\n[ +0.000039] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm]\n[ +0.000043] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? __pm_runtime_suspend+0x69/0xc0\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? amdgpu_drm_ioctl+0x71/0x90 [amdgpu]\n[ +0.000366] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? syscall_exit_to_user_mode+0x77/0x210\n[ +0.000007] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? do_syscall_64+0x8e/0x190\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? do_syscall_64+0x8e/0x190\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000007] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ +0.000008] RIP: 0033:0x55bb7cd962bc\n[ +0.000007] Code: 4c 89 6c 24 18 4c 89 64 24 20 4c 89 74 24 28 0f 57 c0 0f 11 44 24 30 89 c7 48 8d 54 24 08 b8 10 00 00 00 be bc 64\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: se corrige el error de divisi\u00f3n en los c\u00e1lculos de escala del plano DM dm_get_plane_scale no tiene en cuenta el tama\u00f1o de escala del plano igual a cero, lo que genera un error en el kernel debido a la divisi\u00f3n por cero. Se soluciona estableciendo el tama\u00f1o de escala exterior como cero cuando el tama\u00f1o de dst es cero, de forma similar a lo que hace drm_calc_scale(). Este problema comenz\u00f3 con la introducci\u00f3n del modo de superposici\u00f3n del cursor que utiliza esta funci\u00f3n para evaluar los cambios del modo del cursor a trav\u00e9s de dm_crtc_get_cursor_mode() antes de verificar el estado del plano. [Dec17 17:14] Ups: error de divisi\u00f3n: 0000 [#1] PREEMPT SMP NOPTI [ +0.000018] CPU: 5 PID: 1660 Comm: surface-DP-1 No contaminado 6.10.0+ #231 [ +0.000007] Nombre del hardware: Valve Jupiter/Jupiter, BIOS F7A0131 30/01/2024 [ +0.000004] RIP: 0010:dm_get_plane_scale+0x3f/0x60 [amdgpu] [ +0.000553] C\u00f3digo: 44 0f b7 41 3a 44 0f b7 49 3e 83 e0 0f 48 0f a3 c2 73 21 69 41 28 e8 03 00 00 31 d2 41 f7 f1 31 d2 89 06 69 41 2c e8 03 00 00 &lt;41&gt; f7 f0 89 07 e9 d7 d8 7e e9 44 89 c8 45 89 c1 41 89 c0 eb d4 66 [ +0.000005] RSP: 0018:ffffa8df0de6b8a0 EFLAGS: 00010246 [ +0.000006] RAX: 00000000000003e8 RBX: ffff9ac65c1f6e00 RCX: ffff9ac65d055500 [ +0,000003] RDX: 0000000000000000 RSI: ffffa8df0de6b8b0 RDI: ffffa8df0de6b8b4 [ +0.000004] RBP: ffff9ac64e7a5800 R08: 000000000000000 R09: 0000000000000a00 [ +0.000003] R10: 0000000000000ff R11: 0000000000000054 R12: ffff9ac6d0700010 [ +0.000003] R13: ffff9ac65d054f00 R14: ffff9ac65d055500 R15: ffff9ac64e7a60a0 [ +0.000004] FS: 00007f869ea00640(0000) GS:ffff9ac970080000(0000) knlGS:0000000000000000 [ +0.000004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0.000003] CR2: 000055ca701becd0 CR3: 000000010e7f2000 CR4: 0000000000350ef0 [ +0.000004] Rastreo de llamadas: [ +0.000007] [ +0.000006] ? __die_body.cold+0x19/0x27 [ +0.000009] ? die+0x2e/0x50 [ +0.000007] ? do_trap+0xca/0x110 [ +0.000007] ? do_error_trap+0x6a/0x90 [ +0.000006] ? dm_get_plane_scale+0x3f/0x60 [amdgpu] [ +0.000504] ? exc_divide_error+0x38/0x50 [ +0.000005] ? dm_get_plane_scale+0x3f/0x60 [amdgpu] [ +0.000488] ? [+0.000050] \u00bf __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm] [ +0.000047] drm_ioctl_kernel+0xb3/0x100 [drm] [ +0.000062] drm_ioctl+0x27a/0x4f0 [drm] [ +0.000049] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm] [ +0.000055] amdgpu_drm_ioctl+0x4e/0x90 [amdgpu] [ +0.000360] __x64_sys_ioctl+0x97/0xd0 [ +0.000010] do_syscall_64+0x82/0x190 [ +0.000008] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm] [ +0.000044] ? srso_return_thunk+0x5/0x5f [ +0.000006] ? drm_ioctl_kernel+0xb3/0x100 [drm] [ +0.000040] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? __check_object_size+0x50/0x220 [ +0.000007] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? drm_ioctl+0x2a4/0x4f0 [drm] [ +0.000039] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm] [ +0.000043] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? __pm_runtime_suspend+0x69/0xc0 [ +0.000006] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? amdgpu_drm_ioctl+0x71/0x90 [amdgpu] [ +0.000366] ? srso_return_thunk+0x5/0x5f [ +0.000006] ? syscall_salir_al_modo_usuario+0x77/0x210 [ +0.000007] ? srso_return_thunk+0x5/0x5f [ +0.000005] ? do_syscall_64+0x8e/0x190 [ +0.000006] ? srso_return_thunk+0x5/0x5f [ +0.000006] ? do_syscall_64+0x8e/0x190 [ +0.000006] ? srso_return_thunk+0x5/0x5f [ +0.000007] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ +0.000008] RIP: 0033:0x55bb7cd962bc [ +0.000007] C\u00f3digo: 4c 89 6c 24 18 4c 89 64 24 20 4c 89 74 24 28 0f 57 c0 0f 11 44 24 30 89 c7 48 8d 54 24 08 b8 10 00 00 00 be bc 64 ---truncado---"}], "id": "CVE-2024-57919", "lastModified": "2025-02-18T13:38:22.377", "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": "2025-01-19T12:15:26.053", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5225fd2a26211d012533acf98a6ad3f983885817"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c2eaa73bd542b0168a0519e4a1c6e94bc121ec3d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-369"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/amd/display: fix divide error in DM plane scale calcs", "id": "2338837", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2338837"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-369", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: fix divide error in DM plane scale calcs\ndm_get_plane_scale doesn't take into account plane scaled size equal to\nzero, leading to a kernel oops due to division by zero. Fix by setting\nout-scale size as zero when the dst size is zero, similar to what is\ndone by drm_calc_scale(). This issue started with the introduction of\ncursor ovelay mode that uses this function to assess cursor mode changes\nvia dm_crtc_get_cursor_mode() before checking plane state.\n[Dec17 17:14] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n[ +0.000018] CPU: 5 PID: 1660 Comm: surface-DP-1 Not tainted 6.10.0+ #231\n[ +0.000007] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0131 01/30/2024\n[ +0.000004] RIP: 0010:dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000553] Code: 44 0f b7 41 3a 44 0f b7 49 3e 83 e0 0f 48 0f a3 c2 73 21 69 41 28 e8 03 00 00 31 d2 41 f7 f1 31 d2 89 06 69 41 2c e8 03 00 00 <41> f7 f0 89 07 e9 d7 d8 7e e9 44 89 c8 45 89 c1 41 89 c0 eb d4 66\n[ +0.000005] RSP: 0018:ffffa8df0de6b8a0 EFLAGS: 00010246\n[ +0.000006] RAX: 00000000000003e8 RBX: ffff9ac65c1f6e00 RCX: ffff9ac65d055500\n[ +0.000003] RDX: 0000000000000000 RSI: ffffa8df0de6b8b0 RDI: ffffa8df0de6b8b4\n[ +0.000004] RBP: ffff9ac64e7a5800 R08: 0000000000000000 R09: 0000000000000a00\n[ +0.000003] R10: 00000000000000ff R11: 0000000000000054 R12: ffff9ac6d0700010\n[ +0.000003] R13: ffff9ac65d054f00 R14: ffff9ac65d055500 R15: ffff9ac64e7a60a0\n[ +0.000004] FS: 00007f869ea00640(0000) GS:ffff9ac970080000(0000) knlGS:0000000000000000\n[ +0.000004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ +0.000003] CR2: 000055ca701becd0 CR3: 000000010e7f2000 CR4: 0000000000350ef0\n[ +0.000004] Call Trace:\n[ +0.000007] <TASK>\n[ +0.000006] ? __die_body.cold+0x19/0x27\n[ +0.000009] ? die+0x2e/0x50\n[ +0.000007] ? do_trap+0xca/0x110\n[ +0.000007] ? do_error_trap+0x6a/0x90\n[ +0.000006] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000504] ? exc_divide_error+0x38/0x50\n[ +0.000005] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000488] ? asm_exc_divide_error+0x1a/0x20\n[ +0.000011] ? dm_get_plane_scale+0x3f/0x60 [amdgpu]\n[ +0.000593] dm_crtc_get_cursor_mode+0x33f/0x430 [amdgpu]\n[ +0.000562] amdgpu_dm_atomic_check+0x2ef/0x1770 [amdgpu]\n[ +0.000501] drm_atomic_check_only+0x5e1/0xa30 [drm]\n[ +0.000047] drm_mode_atomic_ioctl+0x832/0xcb0 [drm]\n[ +0.000050] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]\n[ +0.000047] drm_ioctl_kernel+0xb3/0x100 [drm]\n[ +0.000062] drm_ioctl+0x27a/0x4f0 [drm]\n[ +0.000049] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]\n[ +0.000055] amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]\n[ +0.000360] __x64_sys_ioctl+0x97/0xd0\n[ +0.000010] do_syscall_64+0x82/0x190\n[ +0.000008] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm]\n[ +0.000044] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? drm_ioctl_kernel+0xb3/0x100 [drm]\n[ +0.000040] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? __check_object_size+0x50/0x220\n[ +0.000007] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? drm_ioctl+0x2a4/0x4f0 [drm]\n[ +0.000039] ? __pfx_drm_mode_createblob_ioctl+0x10/0x10 [drm]\n[ +0.000043] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? __pm_runtime_suspend+0x69/0xc0\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? amdgpu_drm_ioctl+0x71/0x90 [amdgpu]\n[ +0.000366] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? syscall_exit_to_user_mode+0x77/0x210\n[ +0.000007] ? srso_return_thunk+0x5/0x5f\n[ +0.000005] ? do_syscall_64+0x8e/0x190\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000006] ? do_syscall_64+0x8e/0x190\n[ +0.000006] ? srso_return_thunk+0x5/0x5f\n[ +0.000007] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ +0.000008] RIP: 0033:0x55bb7cd962bc\n[ +0.000007] Code: 4c 89 6c 24 18 4c 89 64 24 20 4c 89 74 24 28 0f 57 c0 0f 11 44 24 30 89 c7 48 8d 54 24 08 b8 10 00 00 00 be bc 64\n---truncated---"], "name": "CVE-2024-57919", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-01-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-57919\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-57919\nhttps://lore.kernel.org/linux-cve-announce/2025011941-CVE-2024-57919-9800@gregkh/T"], "threat_severity": "Low"}