{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52932", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-21T06:07:11.019Z", "datePublished": "2025-03-27T16:37:13.594Z", "dateUpdated": "2025-03-27T16:37:13.594Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-03-27T16:37:13.594Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/swapfile: add cond_resched() in get_swap_pages()\n\nThe softlockup still occurs in get_swap_pages() under memory pressure. 64\nCPU cores, 64GB memory, and 28 zram devices, the disksize of each zram\ndevice is 50MB with same priority as si. Use the stress-ng tool to\nincrease memory pressure, causing the system to oom frequently.\n\nThe plist_for_each_entry_safe() loops in get_swap_pages() could reach tens\nof thousands of times to find available space (extreme case:\ncond_resched() is not called in scan_swap_map_slots()). Let's add\ncond_resched() into get_swap_pages() when failed to find available space\nto avoid softlockup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/swapfile.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "29f0349c5c76b627fe06b87d4b13fa03a6ce8e64", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "387217b97e99699c34e6d95ce2b91b327fcd853e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d49c85a1913385eed46dd16a25ad0928253767f0", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "30187be29052bba9203b0ae2bdd815e0bc2faaab", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "5dbe1ebd56470d03b78fc31491a9e4d433106ef2", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "49178d4d61e78aed8c837dfeea8a450700f196e2", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7717fc1a12f88701573f9ed897cc4f6699c661e3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/swapfile.c"], "versions": [{"version": "4.14.306", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.273", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.232", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.168", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.93", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.11", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/29f0349c5c76b627fe06b87d4b13fa03a6ce8e64"}, {"url": "https://git.kernel.org/stable/c/387217b97e99699c34e6d95ce2b91b327fcd853e"}, {"url": "https://git.kernel.org/stable/c/d49c85a1913385eed46dd16a25ad0928253767f0"}, {"url": "https://git.kernel.org/stable/c/30187be29052bba9203b0ae2bdd815e0bc2faaab"}, {"url": "https://git.kernel.org/stable/c/5dbe1ebd56470d03b78fc31491a9e4d433106ef2"}, {"url": "https://git.kernel.org/stable/c/49178d4d61e78aed8c837dfeea8a450700f196e2"}, {"url": "https://git.kernel.org/stable/c/7717fc1a12f88701573f9ed897cc4f6699c661e3"}], "title": "mm/swapfile: add cond_resched() in get_swap_pages()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

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Use the stress-ng tool to\nincrease memory pressure, causing the system to oom frequently.\n\nThe plist_for_each_entry_safe() loops in get_swap_pages() could reach tens\nof thousands of times to find available space (extreme case:\ncond_resched() is not called in scan_swap_map_slots()). Let's add\ncond_resched() into get_swap_pages() when failed to find available space\nto avoid softlockup."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm/swapfile: a\u00f1adir cond_resched() en get_swap_pages() El bloqueo suave todav\u00eda ocurre en get_swap_pages() bajo presi\u00f3n de memoria. 64 n\u00facleos de CPU, 64 GB de memoria y 28 dispositivos zram, el tama\u00f1o del disco de cada dispositivo zram es de 50 MB con la misma prioridad que si. Utilice la herramienta stress-ng para aumentar la presi\u00f3n de memoria, lo que hace que el sistema se sobrecargue con frecuencia. Los bucles plist_for_each_entry_safe() en get_swap_pages() podr\u00edan alcanzar decenas de miles de veces para encontrar espacio disponible (caso extremo: cond_resched() no se llama en scan_swap_map_slots()). Agreguemos cond_resched() a get_swap_pages() cuando no se pueda encontrar espacio disponible para evitar el bloqueo suave."}], "id": "CVE-2023-52932", "lastModified": "2025-04-15T16:00:32.137", "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": "2025-03-27T17:15:42.930", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/29f0349c5c76b627fe06b87d4b13fa03a6ce8e64"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30187be29052bba9203b0ae2bdd815e0bc2faaab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/387217b97e99699c34e6d95ce2b91b327fcd853e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/49178d4d61e78aed8c837dfeea8a450700f196e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5dbe1ebd56470d03b78fc31491a9e4d433106ef2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7717fc1a12f88701573f9ed897cc4f6699c661e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d49c85a1913385eed46dd16a25ad0928253767f0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mm/swapfile: add cond_resched() in get_swap_pages()", "id": "2355470", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355470"}, "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:\nmm/swapfile: add cond_resched() in get_swap_pages()\nThe softlockup still occurs in get_swap_pages() under memory pressure. 64\nCPU cores, 64GB memory, and 28 zram devices, the disksize of each zram\ndevice is 50MB with same priority as si. Use the stress-ng tool to\nincrease memory pressure, causing the system to oom frequently.\nThe plist_for_each_entry_safe() loops in get_swap_pages() could reach tens\nof thousands of times to find available space (extreme case:\ncond_resched() is not called in scan_swap_map_slots()). Let's add\ncond_resched() into get_swap_pages() when failed to find available space\nto avoid softlockup."], "name": "CVE-2023-52932", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52932\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52932\nhttps://lore.kernel.org/linux-cve-announce/2025032720-CVE-2023-52932-434b@gregkh/T"], "threat_severity": "Moderate"}