CVE-2023-53075

{"id": "CVE-2023-53075", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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": "2025-05-02T16:15:26.510", "references": [{"url": "https://git.kernel.org/stable/c/2a0d71fabfeb349216d33f001a6421b1768bd3a9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2de28e5ce34b22b73b833a21e2c45ae3aade3964", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4f84f31f63416b0f02fc146ffdc4ab32723eb7e8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7569ee04b0e3b32df79f64db3a7138573edad9bc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/83c3b2f4e7c61367c7b24551f4c6eb94bbdda283", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ac58b88ccbbb8e9fb83e137cee04a856b1ea6635", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ee92fa443358f4fc0017c1d0d325c27b37802504", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix invalid address access in lookup_rec() when index is 0\n\nKASAN reported follow problem:\n\n BUG: KASAN: use-after-free in lookup_rec\n Read of size 8 at addr ffff000199270ff0 by task modprobe\n CPU: 2 Comm: modprobe\n Call trace:\n kasan_report\n __asan_load8\n lookup_rec\n ftrace_location\n arch_check_ftrace_location\n check_kprobe_address_safe\n register_kprobe\n\nWhen checking pg->records[pg->index - 1].ip in lookup_rec(), it can get a\npg which is newly added to ftrace_pages_start in ftrace_process_locs().\nBefore the first pg->index++, index is 0 and accessing pg->records[-1].ip\nwill cause this problem.\n\nDon't check the ip when pg->index is 0."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ftrace: Se corrige el acceso a direcciones no v\u00e1lidas en lookup_rec() cuando el \u00edndice es 0 KASAN inform\u00f3 el siguiente problema: BUG: KASAN: use-after-free en lookup_rec Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff000199270ff0 por la tarea modprobe CPU: 2 Comm: modprobe Rastreo de llamadas: kasan_report __asan_load8 lookup_rec ftrace_location arch_check_ftrace_location check_kprobe_address_safe register_kprobe Al verificar pg->records[pg->index - 1].ip en lookup_rec(), puede obtener un pg que se agreg\u00f3 recientemente a ftrace_pages_start en ftrace_process_locs(). Antes del primer pg->index++, el \u00edndice es 0 y acceder a pg->records[-1].ip causar\u00e1 este problema. No verifique la IP cuando pg->index sea 0."}], "lastModified": "2025-11-12T20:49:42.893", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F0A20C2-796F-407E-BACB-939437BB8D55", "versionEndExcluding": "4.14.311", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E21A6F0-EF6A-4BB1-BEC0-09275FA55481", "versionEndExcluding": "4.19.279", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FF05A65-6B32-4A9C-905D-6E0F17C6803B", "versionEndExcluding": "5.4.238", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7DA7FEF3-FE10-4D78-94E4-BDCDA7371DD5", "versionEndExcluding": "5.10.176", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB8A3D70-3EE1-4B1C-8A21-21CA7356DCA7", "versionEndExcluding": "5.15.104", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F1CA6A9-8F4D-408D-9116-868EC067DCD9", "versionEndExcluding": "6.1.21", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4011EC6B-7786-4709-B765-186FA31D6F7F", "versionEndExcluding": "6.2.8", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}