CVE-2023-52932

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-23T15:27:34.332Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:27:34.332Z"}, "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": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "29f0349c5c76b627fe06b87d4b13fa03a6ce8e64", "status": "affected", "versionType": "git"}, {"version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "387217b97e99699c34e6d95ce2b91b327fcd853e", "status": "affected", "versionType": "git"}, {"version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "d49c85a1913385eed46dd16a25ad0928253767f0", "status": "affected", "versionType": "git"}, {"version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "30187be29052bba9203b0ae2bdd815e0bc2faaab", "status": "affected", "versionType": "git"}, {"version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "5dbe1ebd56470d03b78fc31491a9e4d433106ef2", "status": "affected", "versionType": "git"}, {"version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "49178d4d61e78aed8c837dfeea8a450700f196e2", "status": "affected", "versionType": "git"}, {"version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "7717fc1a12f88701573f9ed897cc4f6699c661e3", "status": "affected", "versionType": "git"}, {"version": "75b1f2d3ed3169675b69b2f68217ebb839414657", "status": "affected", "versionType": "git"}, {"version": "bcbfe6fdf8576a545fafdfe4611f59cc6b166589", "status": "affected", "versionType": "git"}, {"version": "3.12.30", "lessThan": "3.13", "status": "affected", "versionType": "semver"}, {"version": "3.14.21", "lessThan": "3.15", "status": "affected", "versionType": "semver"}]}, {"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": "3.16", "status": "affected"}, {"version": "0", "lessThan": "3.16", "status": "unaffected", "versionType": "semver"}, {"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"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.14.306"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.19.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.4.232"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.10.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.15.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14.21"}]}]}], "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-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-52932", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T19:25:12.734562Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-667", "description": "CWE-667 Improper Locking"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:26:36.446Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-52932", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T19:25:12.734562Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-667", "description": "CWE-667 Improper Locking"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T14:35:44.197Z"}}], "cna": {"title": "mm/swapfile: add cond_resched() in get_swap_pages()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "29f0349c5c76b627fe06b87d4b13fa03a6ce8e64", "versionType": "git"}, {"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "387217b97e99699c34e6d95ce2b91b327fcd853e", "versionType": "git"}, {"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "d49c85a1913385eed46dd16a25ad0928253767f0", "versionType": "git"}, {"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "30187be29052bba9203b0ae2bdd815e0bc2faaab", "versionType": "git"}, {"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "5dbe1ebd56470d03b78fc31491a9e4d433106ef2", "versionType": "git"}, {"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "49178d4d61e78aed8c837dfeea8a450700f196e2", "versionType": "git"}, {"status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "lessThan": "7717fc1a12f88701573f9ed897cc4f6699c661e3", "versionType": "git"}, {"status": "affected", "version": "75b1f2d3ed3169675b69b2f68217ebb839414657", "versionType": "git"}, {"status": "affected", "version": "bcbfe6fdf8576a545fafdfe4611f59cc6b166589", "versionType": "git"}], "programFiles": ["mm/swapfile.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.16"}, {"status": "unaffected", "version": "0", "lessThan": "3.16", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.306", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.273", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.232", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.168", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.93", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.11", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["mm/swapfile.c"], "defaultStatus": "affected"}], "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"}], "x_generator": {"engine": "bippy-1.2.0"}, "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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.306", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.273", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.232", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.168", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.93", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.11", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.2", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.12.30"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.14.21"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-05T10:17:57.720Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52932", "state": "PUBLISHED", "dateUpdated": "2026-01-05T10:17:57.720Z", "dateReserved": "2024-08-21T06:07:11.019Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-03-27T16:37:13.594Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["mm/swapfile.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "29f0349c5c76b627fe06b87d4b13fa03a6ce8e64", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"lessThan": "387217b97e99699c34e6d95ce2b91b327fcd853e", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"lessThan": "d49c85a1913385eed46dd16a25ad0928253767f0", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"lessThan": "30187be29052bba9203b0ae2bdd815e0bc2faaab", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"lessThan": "5dbe1ebd56470d03b78fc31491a9e4d433106ef2", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"lessThan": "49178d4d61e78aed8c837dfeea8a450700f196e2", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"lessThan": "7717fc1a12f88701573f9ed897cc4f6699c661e3", "status": "affected", "version": "adfab836f4908deb049a5128082719e689eed964", "versionType": "git"}, {"status": "affected", "version": "75b1f2d3ed3169675b69b2f68217ebb839414657", "versionType": "git"}, {"status": "affected", "version": "bcbfe6fdf8576a545fafdfe4611f59cc6b166589", "versionType": "git"}, {"lessThan": "3.13", "status": "affected", "version": "3.12.30", "versionType": "semver"}, {"lessThan": "3.15", "status": "affected", "version": "3.14.21", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["mm/swapfile.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.16"}, {"lessThan": "3.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.306", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.273", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.232", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.168", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.93", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.11", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3601A65-E0A1-4B9E-9AE3-31871BA7A14B", "versionEndExcluding": "4.14.306", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC86F278-A337-4A8A-A7BB-758898345802", "versionEndExcluding": "4.19.273", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9C6E0696-3702-4B0C-A102-2753BDC8C3D3", "versionEndExcluding": "5.4.232", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "12258A3F-04BD-49C9-9C6B-D3C1945E8910", "versionEndExcluding": "5.10.168", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "98FAC10E-42A0-4372-B1A0-A49CF672890E", "versionEndExcluding": "5.15.93", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "535D03F4-DA02-49FE-934E-668827E6407B", "versionEndExcluding": "6.1.11", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*", "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*", "matchCriteriaId": "4AB8D555-648E-4F2F-98BD-3E7F45BD12A8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"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": "2026-06-17T06:43:57.810", "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": "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52932", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:25:12.734562Z", "version": "2.0.3"}}]}, "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": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-667"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "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": "verified"}, "cwe": "CWE-667", "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:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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-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"}

{}