CVE-2022-50225

{"id": "CVE-2022-50225", "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": "2025-06-18T11:15:53.517", "references": [{"url": "https://git.kernel.org/stable/c/3811d51778900064d27d8c9a98f73410fb3b471d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3dbe5829408bc1586f75b4667ef60e5aab0209c7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/73fc099eaefd9a92c83b6c07dad066411fd5a192", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c71e000db8536d27ec410abb3e314896a78b4f19", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv:uprobe fix SR_SPIE set/clear handling\n\nIn riscv the process of uprobe going to clear spie before exec\nthe origin insn,and set spie after that.But When access the page\nwhich origin insn has been placed a page fault may happen and\nirq was disabled in arch_uprobe_pre_xol function,It cause a WARN\nas follows.\nThere is no need to clear/set spie in arch_uprobe_pre/post/abort_xol.\nWe can just remove it.\n\n[ 31.684157] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1488\n[ 31.684677] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 76, name: work\n[ 31.684929] preempt_count: 0, expected: 0\n[ 31.685969] CPU: 2 PID: 76 Comm: work Tainted: G\n[ 31.686542] Hardware name: riscv-virtio,qemu (DT)\n[ 31.686797] Call Trace:\n[ 31.687053] [<ffffffff80006442>] dump_backtrace+0x30/0x38\n[ 31.687699] [<ffffffff80812118>] show_stack+0x40/0x4c\n[ 31.688141] [<ffffffff8081817a>] dump_stack_lvl+0x44/0x5c\n[ 31.688396] [<ffffffff808181aa>] dump_stack+0x18/0x20\n[ 31.688653] [<ffffffff8003e454>] __might_resched+0x114/0x122\n[ 31.688948] [<ffffffff8003e4b2>] __might_sleep+0x50/0x7a\n[ 31.689435] [<ffffffff80822676>] down_read+0x30/0x130\n[ 31.689728] [<ffffffff8000b650>] do_page_fault+0x166/x446\n[ 31.689997] [<ffffffff80003c0c>] ret_from_exception+0x0/0xc"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: riscv:uprobe fix SR_SPIE set/clear management. En riscv, el proceso de uprobe borra spie antes de ejecutar la instrucci\u00f3n de origen y la configura despu\u00e9s. Sin embargo, al acceder a la p\u00e1gina donde se ha colocado la instrucci\u00f3n de origen, puede producirse un fallo de p\u00e1gina y la funci\u00f3n irq se ha deshabilitado en arch_uprobe_pre_xol. Esto genera una advertencia como la siguiente. No es necesario borrar/configurar spie en arch_uprobe_pre/post/abort_xol. Simplemente podemos eliminarlo. [ 31.684157] ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en kernel/locking/rwsem.c:1488 [ 31.684677] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 76, name: work [ 31.684929] preempt_count: 0, expected: 0 [ 31.685969] CPU: 2 PID: 76 Comm: work Tainted: G [ 31.686542] Nombre del hardware: riscv-virtio,qemu (DT) [ 31.686797] Rastreo de llamadas: [ 31.687053] [] dump_backtrace+0x30/0x38 [ 31.687699] [] show_stack+0x40/0x4c [ 31.688141] [] dump_stack_lvl+0x44/0x5c [ 31.688396] [] dump_stack+0x18/0x20 [ 31.688653] [] __might_resched+0x114/0x122 [ 31.688948] [] __might_sleep+0x50/0x7a [ 31.689435] [] down_read+0x30/0x130 [ 31.689728] [] do_page_fault+0x166/x446 [ 31.689997] [] ret_from_exception+0x0/0xc "}], "lastModified": "2025-11-19T12:58:19.930", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23E86361-3C85-4727-87EC-1E6ACE028490", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.12"}, {"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"}