CVE-2024-57839

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["mm/readahead.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "85351e4941a253e4c50fb7048bfc19b60b4ec44b", "status": "affected", "version": "7c877586da3178974a8a94577b6045a48377ff25", "versionType": "git"}, {"lessThan": "a220d6b95b1ae12c7626283d7609f0a1438e6437", "status": "affected", "version": "7c877586da3178974a8a94577b6045a48377ff25", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["mm/readahead.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.13", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "80D95899-614A-43BE-AD21-BA14E811ACC4", "versionEndExcluding": "6.12.5", "versionStartIncluding": "6.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"readahead: properly shorten readahead when falling back to do_page_cache_ra()\"\n\nThis reverts commit 7c877586da3178974a8a94577b6045a48377ff25.\n\nAnders and Philippe have reported that recent kernels occasionally hang\nwhen used with NFS in readahead code. The problem has been bisected to\n7c877586da3 (\"readahead: properly shorten readahead when falling back to\ndo_page_cache_ra()\"). The cause of the problem is that ra->size can be\nshrunk by read_pages() call and subsequently we end up calling\ndo_page_cache_ra() with negative (read huge positive) number of pages. \nLet's revert 7c877586da3 for now until we can find a proper way how the\nlogic in read_pages() and page_cache_ra_order() can coexist. This can\nlead to reduced readahead throughput due to readahead window confusion but\nthat's better than outright hangs."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Revertir \"readahead: acortar correctamente el readahead al volver a do_page_cache_ra()\" Esto revierte el commit 7c877586da3178974a8a94577b6045a48377ff25. Anders y Philippe han informado de que los kernels recientes a veces se bloquean cuando se utilizan con NFS en el c\u00f3digo readahead. El problema se ha dividido en 7c877586da3 (\"readahead: acortar correctamente el readahead al volver a do_page_cache_ra()\"). La causa del problema es que ra->size se puede reducir mediante la llamada read_pages() y, posteriormente, terminamos llamando a do_page_cache_ra() con un n\u00famero de p\u00e1ginas negativo (leer positivo enorme). Revertiremos 7c877586da3 por ahora hasta que podamos encontrar una forma adecuada de que la l\u00f3gica en read_pages() y page_cache_ra_order() pueda coexistir. Esto puede provocar una reducci\u00f3n del rendimiento de lectura anticipada debido a la confusi\u00f3n de la ventana de lectura anticipada, pero es mejor que los bloqueos directos."}], "id": "CVE-2024-57839", "lastModified": "2026-06-17T08:14:05.727", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-01-11T15:15:07.050", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/85351e4941a253e4c50fb7048bfc19b60b4ec44b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a220d6b95b1ae12c7626283d7609f0a1438e6437"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-704"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Revert \"readahead: properly shorten readahead when falling back to do_page_cache_ra()\"", "id": "2337337", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2337337"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-704", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRevert \"readahead: properly shorten readahead when falling back to do_page_cache_ra()\"\nThis reverts commit 7c877586da3178974a8a94577b6045a48377ff25.\nAnders and Philippe have reported that recent kernels occasionally hang\nwhen used with NFS in readahead code. The problem has been bisected to\n7c877586da3 (\"readahead: properly shorten readahead when falling back to\ndo_page_cache_ra()\"). The cause of the problem is that ra->size can be\nshrunk by read_pages() call and subsequently we end up calling\ndo_page_cache_ra() with negative (read huge positive) number of pages. \nLet's revert 7c877586da3 for now until we can find a proper way how the\nlogic in read_pages() and page_cache_ra_order() can coexist. This can\nlead to reduced readahead throughput due to readahead window confusion but\nthat's better than outright hangs."], "name": "CVE-2024-57839", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-57839\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-57839\nhttps://lore.kernel.org/linux-cve-announce/2025011101-CVE-2024-57839-daf6@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T15:42:30.670223+00:00", "updated": "2025-07-12T15:42:30.670271+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}