CVE-2022-50228

{"id": "CVE-2022-50228", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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": "2025-06-18T11:15:53.850", "references": [{"url": "https://git.kernel.org/stable/c/2c49adeb020995236e63722ef6d0bee14372f471", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2eee1dba70f57148fc7f8252613bfae6bd4b04e3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3d4e2d884da6312df7c9b85fbf671de49204ead6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/68e1313bb8809e8addcd9431f2bfea0e8ddbca80", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6afe88fbb40eac3291a8728688d61fdc745d8008", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6fcbab82ccbcde915644085f73d3487938bda42d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8bb683490278005b4caf61e22b0828a04d282e86", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c3396c1c8b87510f2ac2a674948156577559d42d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f17c31c48e5cde9895a491d91c424eeeada3e134", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0\n\nDon't BUG/WARN on interrupt injection due to GIF being cleared,\nsince it's trivial for userspace to force the situation via\nKVM_SET_VCPU_EVENTS (even if having at least a WARN there would be correct\nfor KVM internally generated injections).\n\n kernel BUG at arch/x86/kvm/svm/svm.c:3386!\n invalid opcode: 0000 [#1] SMP\n CPU: 15 PID: 926 Comm: smm_test Not tainted 5.17.0-rc3+ #264\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n RIP: 0010:svm_inject_irq+0xab/0xb0 [kvm_amd]\n Code: <0f> 0b 0f 1f 00 0f 1f 44 00 00 80 3d ac b3 01 00 00 55 48 89 f5 53\n RSP: 0018:ffffc90000b37d88 EFLAGS: 00010246\n RAX: 0000000000000000 RBX: ffff88810a234ac0 RCX: 0000000000000006\n RDX: 0000000000000000 RSI: ffffc90000b37df7 RDI: ffff88810a234ac0\n RBP: ffffc90000b37df7 R08: ffff88810a1fa410 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\n R13: ffff888109571000 R14: ffff88810a234ac0 R15: 0000000000000000\n FS: 0000000001821380(0000) GS:ffff88846fdc0000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f74fc550008 CR3: 000000010a6fe000 CR4: 0000000000350ea0\n Call Trace:\n <TASK>\n inject_pending_event+0x2f7/0x4c0 [kvm]\n kvm_arch_vcpu_ioctl_run+0x791/0x17a0 [kvm]\n kvm_vcpu_ioctl+0x26d/0x650 [kvm]\n __x64_sys_ioctl+0x82/0xb0\n do_syscall_64+0x3b/0xc0\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: SVM: No generar ERRORES si el espacio de usuario inyecta una interrupci\u00f3n con GIF=0 No generar ERRORES/ADVERTENCIAS en la inyecci\u00f3n de interrupci\u00f3n debido a que se borra el GIF, ya que es trivial para el espacio de usuario forzar la situaci\u00f3n a trav\u00e9s de KVM_SET_VCPU_EVENTS (incluso si tener al menos un WARN all\u00ed ser\u00eda correcto para las inyecciones generadas internamente por KVM). \u00a1ERROR del kernel en arch/x86/kvm/svm/svm.c:3386! C\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] CPU SMP: 15 PID: 926 Comm: smm_test No contaminado 5.17.0-rc3+ #264 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 RIP: 0010:svm_inject_irq+0xab/0xb0 [kvm_amd] C\u00f3digo: &lt;0f&gt; 0b 0f 1f 00 0f 1f 44 00 00 80 3d ac b3 01 00 00 55 48 89 f5 53 RSP: 0018:ffffc90000b37d88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810a234ac0 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffc90000b37df7 RDI: ffff88810a234ac0 RBP: ffffc90000b37df7 R08: ffff88810a1fa410 R09: 000000000000000 R10: 000000000000000 R11: 000000000000000 R12: 000000000000000 R13: ffff888109571000 R14: ffff88810a234ac0 R15: 0000000000000000 FS: 0000000001821380(0000) GS:ffff88846fdc0000(0000) knlGS:000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f74fc550008 CR3: 000000010a6fe000 CR4: 0000000000350ea0 Rastreo de llamadas: inject_pending_event+0x2f7/0x4c0 [kvm] kvm_arch_vcpu_ioctl_run+0x791/0x17a0 [kvm] kvm_vcpu_ioctl+0x26d/0x650 [kvm] __x64_sys_ioctl+0x82/0xb0 do_syscall_64+0x3b/0xc0 entry_SYSCALL_64_after_hwframe+0x44/0xae "}], "lastModified": "2025-11-19T12:57:50.830", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "94B35308-9EB6-4B05-B3EC-C663B93AC945", "versionEndExcluding": "4.9.326", "versionStartIncluding": "2.6.32"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3BBC7E43-6161-4F21-977C-5BB7792C6C94", "versionEndExcluding": "4.14.291", "versionStartIncluding": "4.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C47CDE3-B039-4AE5-B8E4-1DC820E473FF", "versionEndExcluding": "4.19.256", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1C63D19-C08C-4308-A848-B2523C9275BD", "versionEndExcluding": "5.4.211", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2BF720F-C5EE-4DE2-9BDF-CE4CFBC767F4", "versionEndExcluding": "5.10.137", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51861563-7F40-460F-82CD-2D3FBDAD6618", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}