CVE-2024-50276

{"id": "CVE-2024-50276", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-11-19T02:16:29.927", "references": [{"url": "https://git.kernel.org/stable/c/1325e838089da25217f4b403318a270fcdf88f34", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1f26339b2ed63d1e8e18a18674fb73a392f3660e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2cf0e77f5a0aa1ff336aa71743eda55c73902187", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/91c9daa21f3ff8668f9e1d6c860024ce7ad64137", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: vertexcom: mse102x: Fix possible double free of TX skb\n\nThe scope of the TX skb is wider than just mse102x_tx_frame_spi(),\nso in case the TX skb room needs to be expanded, we should free the\nthe temporary skb instead of the original skb. Otherwise the original\nTX skb pointer would be freed again in mse102x_tx_work(), which leads\nto crashes:\n\n Internal error: Oops: 0000000096000004 [#2] PREEMPT SMP\n CPU: 0 PID: 712 Comm: kworker/0:1 Tainted: G D 6.6.23\n Hardware name: chargebyte Charge SOM DC-ONE (DT)\n Workqueue: events mse102x_tx_work [mse102x]\n pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : skb_release_data+0xb8/0x1d8\n lr : skb_release_data+0x1ac/0x1d8\n sp : ffff8000819a3cc0\n x29: ffff8000819a3cc0 x28: ffff0000046daa60 x27: ffff0000057f2dc0\n x26: ffff000005386c00 x25: 0000000000000002 x24: 00000000ffffffff\n x23: 0000000000000000 x22: 0000000000000001 x21: ffff0000057f2e50\n x20: 0000000000000006 x19: 0000000000000000 x18: ffff00003fdacfcc\n x17: e69ad452d0c49def x16: 84a005feff870102 x15: 0000000000000000\n x14: 000000000000024a x13: 0000000000000002 x12: 0000000000000000\n x11: 0000000000000400 x10: 0000000000000930 x9 : ffff00003fd913e8\n x8 : fffffc00001bc008\n x7 : 0000000000000000 x6 : 0000000000000008\n x5 : ffff00003fd91340 x4 : 0000000000000000 x3 : 0000000000000009\n x2 : 00000000fffffffe x1 : 0000000000000000 x0 : 0000000000000000\n Call trace:\n skb_release_data+0xb8/0x1d8\n kfree_skb_reason+0x48/0xb0\n mse102x_tx_work+0x164/0x35c [mse102x]\n process_one_work+0x138/0x260\n worker_thread+0x32c/0x438\n kthread+0x118/0x11c\n ret_from_fork+0x10/0x20\n Code: aa1303e0 97fffab6 72001c1f 54000141 (f9400660)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: vertexcom: mse102x: Se soluciona una posible doble liberaci\u00f3n del skb TX El alcance del skb TX es m\u00e1s amplio que solo mse102x_tx_frame_spi(), por lo que en caso de que sea necesario ampliar la sala del skb TX, deber\u00edamos liberar el skb temporal en lugar del skb original. De lo contrario, el puntero TX skb original se liberar\u00eda nuevamente en mse102x_tx_work(), lo que provoca fallas: Error interno: Oops: 0000000096000004 [#2] PREEMPT SMP CPU: 0 PID: 712 Comm: kworker/0:1 Tainted: GD 6.6.23 Nombre del hardware: chargebyte Charge SOM DC-ONE (DT) Cola de trabajo: eventos mse102x_tx_work [mse102x] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_release_data+0xb8/0x1d8 lr : skb_release_data+0x1ac/0x1d8 sp : ffff8000819a3cc0 x29: ffff8000819a3cc0 x28: ffff0000046daa60 x27: ffff0000057f2dc0 x26: ffff000005386c00 x25: 00000000000000002 x24: 00000000ffffffff x23: 000000 x22: 0000000000000001 x21: ffff0000057f2e50 x20: 0000000000000006 x19: 0000000000000000 x18: ffff00003fdacfcc x17: e69ad452d0c49def x16: 84a005feff870102 x15: 0000000000000000 x14: 0000000000000024a x13: 0000000000000002 x12: 0000000000000000 x11: 0000000000000400 x10: 0000000000000930 x9: ffff00003fd913e8 x8: fffffc00001bc008 x7: 0000000000000000 x6: 0000000000000008 x5: ffff00003fd91340 x4: 00000000000000000 x3 : 0000000000000009 x2 : 00000000ffffffffe x1 : 0000000000000000 x0 : 0000000000000000 Rastreo de llamadas: skb_release_data+0xb8/0x1d8 kfree_skb_reason+0x48/0xb0 mse102x_tx_work+0x164/0x35c [mse102x] process_one_work+0x138/0x260 worker_thread+0x32c/0x438 kthread+0x118/0x11c ret_from_fork+0x10/0x20 C\u00f3digo: aa1303e0 97fffab6 72001c1f 54000141 (f9400660)"}], "lastModified": "2024-11-21T19:27:32.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D9E8110-0DF9-4B1A-8B2B-ABA8C6CB1771", "versionEndExcluding": "6.1.117", "versionStartIncluding": "5.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "630ED7EB-C97E-4435-B884-1E309E40D6F3", "versionEndExcluding": "6.6.61", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0BD000F7-3DAD-4DD3-8906-98EA1EC67E95", "versionEndExcluding": "6.11.8", "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"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24B88717-53F5-42AA-9B72-14C707639E3F"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}