CVE-2024-50224

{"id": "CVE-2024-50224", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-11-09T11:15:07.893", "references": [{"url": "https://git.kernel.org/stable/c/25f00a13dccf8e45441265768de46c8bf58e08f6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/89f74c968319d040739d6238e1c3a4caa16a5a00", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e79c1f1c9100b4adc91c6512985db2cc961aafaa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-fsl-dspi: Fix crash when not using GPIO chip select\n\nAdd check for the return value of spi_get_csgpiod() to avoid passing a NULL\npointer to gpiod_direction_output(), preventing a crash when GPIO chip\nselect is not used.\n\nFix below crash:\n[ 4.251960] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 4.260762] Mem abort info:\n[ 4.263556] ESR = 0x0000000096000004\n[ 4.267308] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 4.272624] SET = 0, FnV = 0\n[ 4.275681] EA = 0, S1PTW = 0\n[ 4.278822] FSC = 0x04: level 0 translation fault\n[ 4.283704] Data abort info:\n[ 4.286583] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n[ 4.292074] CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[ 4.297130] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[ 4.302445] [0000000000000000] user address but active_mm is swapper\n[ 4.308805] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n[ 4.315072] Modules linked in:\n[ 4.318124] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc4-next-20241023-00008-ga20ec42c5fc1 #359\n[ 4.328130] Hardware name: LS1046A QDS Board (DT)\n[ 4.332832] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 4.339794] pc : gpiod_direction_output+0x34/0x5c\n[ 4.344505] lr : gpiod_direction_output+0x18/0x5c\n[ 4.349208] sp : ffff80008003b8f0\n[ 4.352517] x29: ffff80008003b8f0 x28: 0000000000000000 x27: ffffc96bcc7e9068\n[ 4.359659] x26: ffffc96bcc6e00b0 x25: ffffc96bcc598398 x24: ffff447400132810\n[ 4.366800] x23: 0000000000000000 x22: 0000000011e1a300 x21: 0000000000020002\n[ 4.373940] x20: 0000000000000000 x19: 0000000000000000 x18: ffffffffffffffff\n[ 4.381081] x17: ffff44740016e600 x16: 0000000500000003 x15: 0000000000000007\n[ 4.388221] x14: 0000000000989680 x13: 0000000000020000 x12: 000000000000001e\n[ 4.395362] x11: 0044b82fa09b5a53 x10: 0000000000000019 x9 : 0000000000000008\n[ 4.402502] x8 : 0000000000000002 x7 : 0000000000000007 x6 : 0000000000000000\n[ 4.409641] x5 : 0000000000000200 x4 : 0000000002000000 x3 : 0000000000000000\n[ 4.416781] x2 : 0000000000022202 x1 : 0000000000000000 x0 : 0000000000000000\n[ 4.423921] Call trace:\n[ 4.426362] gpiod_direction_output+0x34/0x5c (P)\n[ 4.431067] gpiod_direction_output+0x18/0x5c (L)\n[ 4.435771] dspi_setup+0x220/0x334"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: spi: spi-fsl-dspi: Se corrige el bloqueo cuando no se utiliza la selecci\u00f3n de chip GPIO. Se agrega una verificaci\u00f3n para el valor de retorno de spi_get_csgpiod() para evitar pasar un puntero NULL a gpiod_direction_output(), lo que evita un bloqueo cuando no se utiliza la selecci\u00f3n de chip GPIO. Correcci\u00f3n del siguiente fallo: [4.251960] No se puede gestionar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 0000000000000000 [4.260762] Informaci\u00f3n de cancelaci\u00f3n de memoria: [4.263556] ESR = 0x0000000096000004 [4.267308] EC = 0x25: DABT (EL actual), IL = 32 bits [4.272624] SET = 0, FnV = 0 [4.275681] EA = 0, S1PTW = 0 [4.278822] FSC = 0x04: error de traducci\u00f3n de nivel 0 [4.283704] Informaci\u00f3n de cancelaci\u00f3n de datos: [4.286583] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 4.292074] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 4.297130] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 4.302445] [000000000000000] direcci\u00f3n de usuario pero active_mm es swapper [ 4.308805] Error interno: Oops: 0000000096000004 [#1] PREEMPT SMP [ 4.315072] M\u00f3dulos vinculados en: [ 4.318124] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 No contaminado 6.12.0-rc4-next-20241023-00008-ga20ec42c5fc1 #359 [ 4.328130] Nombre del hardware: Placa QDS LS1046A (DT) [ 4.332832] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 4.339794] pc : gpiod_direction_output+0x34/0x5c [ 4.344505] lr : gpiod_direction_output+0x18/0x5c [ 4.349208] sp : ffff80008003b8f0 [ 4.352517] x29: ffff80008003b8f0 x28: 0000000000000000 x27: ffffc96bcc7e9068 [ 4.359659] x26: ffffc96bcc6e00b0 x25: ffffc96bcc598398 x24: ffff447400132810 [ 4.366800] x23: 00000000000000 x22: 0000000011e1a300 x21: 0000000000020002 [ 4.373940] x20: 0000000000000000 x19: 0000000000000000 x18: 4.381081] x17: ffff44740016e600 x16: 0000000500000003 x15: 0000000000000007 [ 4.388221] x14: 0000000000989680 x13: 0000000000020000 x12: 000000000000001e [ 4.395362] x11: 0044b82fa09b5a53 x10: 0000000000000019 x9: 0000000000000008 [ 4.402502] x8: 00000000000000002 x7 : 0000000000000007 x6 : 0000000000000000 [ 4.409641] x5 : 00000000000000200 x4 : 00000000002000000 x3 : 0000000000000000 [ 4.416781] x2 : 0000000000022202 x1 : 0000000000000000 x0 : 0000000000000000 [ 4.423921] Rastreo de llamadas: [ 4.426362] direcci\u00f3n_salida_gpiod+0x34/0x5c (P) [ 4.431067] direcci\u00f3n_salida_gpiod+0x18/0x5c (L) [ 4.435771] configuraci\u00f3n_dspi+0x220/0x334"}], "lastModified": "2024-11-13T19:22:15.023", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A878C8F6-C972-4F6F-88E6-0743B1F3EF1C", "versionEndExcluding": "6.6.60", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E96F53A4-5E87-4A70-BD9A-BC327828D57F", "versionEndExcluding": "6.11.7", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}