CVE-2024-35821

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Move the call\nto SetPageUptodate into ubifs_write_end(), which is after we copied the\nnew data into the page."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ubifs/file.c"], "versions": [{"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d", "lessThan": "4aa554832b9dc9e66249df75b8f447d87853e12e", "status": "affected", "versionType": "git"}, {"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d", "lessThan": "778c6ad40256f1c03244fc06d7cdf71f6b5e7310", "status": "affected", "versionType": "git"}, {"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d", "lessThan": "8f599ab6fabbca4c741107eade70722a98adfd9f", "status": "affected", "versionType": "git"}, {"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d", "lessThan": "f19b1023a3758f40791ec166038d6411c8894ae3", "status": "affected", "versionType": "git"}, {"version": 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Move the call\nto SetPageUptodate into ubifs_write_end(), which is after we copied the\nnew data into the page."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:55:51.333Z"}}}, "cveMetadata": {"cveId": "CVE-2024-35821", "state": "PUBLISHED", "dateUpdated": "2025-01-23T21:48:10.927Z", "dateReserved": "2024-05-17T12:19:12.345Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-17T13:23:24.350Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: Set page uptodate in the correct place\n\nPage cache reads are lockless, so setting the freshly allocated page\nuptodate before we've overwritten it with the data it's supposed to have\nin it will allow a simultaneous reader to see old data. Move the call\nto SetPageUptodate into ubifs_write_end(), which is after we copied the\nnew data into the page."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ubifs: establece la actualizaci\u00f3n de la p\u00e1gina en el lugar correcto. Las lecturas de la cach\u00e9 de la p\u00e1gina no tienen bloqueo, por lo que configurar la actualizaci\u00f3n de la p\u00e1gina reci\u00e9n asignada antes de que la sobrescribamos con los datos que se supone que debe contener lo har\u00e1. permitir que un lector simult\u00e1neo vea datos antiguos. Mueva la llamada a SetPageUptodate a ubifs_write_end(), que es despu\u00e9s de que copiamos los nuevos datos en la p\u00e1gina."}], "id": "CVE-2024-35821", "lastModified": "2026-06-17T07:35:28.820", "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"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-35821", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-01-23T21:47:42.750475Z", "version": "2.0.3"}}]}, "published": "2024-05-17T14:15:17.373", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/142d87c958d9454c3cffa625fab56f3016e8f9f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17772bbe9cfa972ea1ff827319f6e1340de76566"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4aa554832b9dc9e66249df75b8f447d87853e12e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4b7c4fc60d6a46350fbe54f5dc937aeaa02e675e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/723012cab779eee8228376754e22c6594229bf8f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/778c6ad40256f1c03244fc06d7cdf71f6b5e7310"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f599ab6fabbca4c741107eade70722a98adfd9f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f19b1023a3758f40791ec166038d6411c8894ae3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fc99f4e2d2f1ce766c14e98463c2839194ae964f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/142d87c958d9454c3cffa625fab56f3016e8f9f3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17772bbe9cfa972ea1ff827319f6e1340de76566"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4aa554832b9dc9e66249df75b8f447d87853e12e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4b7c4fc60d6a46350fbe54f5dc937aeaa02e675e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/723012cab779eee8228376754e22c6594229bf8f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/778c6ad40256f1c03244fc06d7cdf71f6b5e7310"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f599ab6fabbca4c741107eade70722a98adfd9f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f19b1023a3758f40791ec166038d6411c8894ae3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fc99f4e2d2f1ce766c14e98463c2839194ae964f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-772"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: ubifs: Set page uptodate in the correct place", "id": "2281194", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281194"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nubifs: Set page uptodate in the correct place\nPage cache reads are lockless, so setting the freshly allocated page\nuptodate before we've overwritten it with the data it's supposed to have\nin it will allow a simultaneous reader to see old data. Move the call\nto SetPageUptodate into ubifs_write_end(), which is after we copied the\nnew data into the page.", "A vulnerability was found in the Linux kernel's UBIFS filesystem, involving improper handling of the page uptodate flag. If the flag is not set in the correct place, it could lead to inconsistencies in the filesystem's state. This issue might affect the integrity of file operations and could lead to data corruption or system instability."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-35821", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2024-05-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35821\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35821\nhttps://lore.kernel.org/linux-cve-announce/2024051744-CVE-2024-35821-6af5@gregkh/T"], "statement": "Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.", "threat_severity": "Moderate"}

{}