{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T14:57:16.422","vulnerabilities":[{"cve":{"id":"CVE-2024-50222","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-11-09T11:15:07.700","lastModified":"2025-10-01T21:16:07.140","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP\n\ngeneric/077 on x86_32 CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP=y with highmem,\non huge=always tmpfs, issues a warning and then hangs (interruptibly):\n\nWARNING: CPU: 5 PID: 3517 at mm/highmem.c:622 kunmap_local_indexed+0x62/0xc9\nCPU: 5 UID: 0 PID: 3517 Comm: cp Not tainted 6.12.0-rc4 #2\n...\ncopy_page_from_iter_atomic+0xa6/0x5ec\ngeneric_perform_write+0xf6/0x1b4\nshmem_file_write_iter+0x54/0x67\n\nFix copy_page_from_iter_atomic() by limiting it in that case\n(include/linux/skbuff.h skb_frag_must_loop() does similar).\n\nBut going forward, perhaps CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP is too\nsurprising, has outlived its usefulness, and should just be removed?"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iov_iter: se corrige copy_page_from_iter_atomic() si KMAP_LOCAL_FORCE_MAP generic/077 en x86_32 CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP=y con highmem, en huge=always tmpfs, emite una advertencia y luego se cuelga (de manera interrumpida): ADVERTENCIA: CPU: 5 PID: 3517 en mm/highmem.c:622 kunmap_local_indexed+0x62/0xc9 CPU: 5 UID: 0 PID: 3517 Comm: cp No contaminado 6.12.0-rc4 #2 ... copy_page_from_iter_atomic+0xa6/0x5ec generic_perform_write+0xf6/0x1b4 shmem_file_write_iter+0x54/0x67 Arregla copy_page_from_iter_atomic() limitándolo en ese caso (include/linux/skbuff.h skb_frag_must_loop() hace algo similar). Pero, en el futuro, ¿quizás CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP sea demasiado sorprendente, haya dejado de ser útil y simplemente deba eliminarse?"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.60","matchCriteriaId":"D65DC921-1258-459B-AC56-13B03E48CA9C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.11.7","matchCriteriaId":"E96F53A4-5E87-4A70-BD9A-BC327828D57F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*","matchCriteriaId":"7F361E1D-580F-4A2D-A509-7615F73167A1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*","matchCriteriaId":"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*","matchCriteriaId":"3C95E234-D335-4B6C-96BF-E2CEBD8654ED"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*","matchCriteriaId":"E0F717D8-3014-4F84-8086-0124B2111379"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*","matchCriteriaId":"24DBE6C7-2AAE-4818-AED2-E131F153D2FA"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3a303409f271dfe0987b8f79595138340497a32d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4f7ffa83fa79dd52efbaef366c850aaaae06a469","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/c749d9b7ebbc5716af7a95f7768634b30d9446ec","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}