{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39727","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.118Z","datePublished":"2025-09-07T15:16:17.986Z","dateUpdated":"2026-05-11T21:35:06.160Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:35:06.160Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm: swap: fix potential buffer overflow in setup_clusters()\n\nIn setup_swap_map(), we only ensure badpages are in range (0, last_page]. \nAs maxpages might be < last_page, setup_clusters() will encounter a buffer\noverflow when a badpage is >= maxpages.\n\nOnly call inc_cluster_info_page() for badpage which is < maxpages to fix\nthe issue."}],"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":"b843786b0bd01ced7fcdbf3b033d68db2f7c61b2","lessThan":"91b370800b3f2b3dda244c0ab06719c4971190a5","status":"affected","versionType":"git"},{"version":"b843786b0bd01ced7fcdbf3b033d68db2f7c61b2","lessThan":"9b01ada580ee84fb319e7ecb5fb5b1f54a9eb799","status":"affected","versionType":"git"},{"version":"b843786b0bd01ced7fcdbf3b033d68db2f7c61b2","lessThan":"815c528b13f2bb9b3130c13bedeabf2351a68129","status":"affected","versionType":"git"},{"version":"b843786b0bd01ced7fcdbf3b033d68db2f7c61b2","lessThan":"152c1339dc13ad46f1b136e8693de15980750835","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":"6.12","status":"affected"},{"version":"0","lessThan":"6.12","status":"unaffected","versionType":"semver"},{"version":"6.12.42","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.10","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16.1","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","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":"6.12","versionEndExcluding":"6.12.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.15.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.16.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/91b370800b3f2b3dda244c0ab06719c4971190a5"},{"url":"https://git.kernel.org/stable/c/9b01ada580ee84fb319e7ecb5fb5b1f54a9eb799"},{"url":"https://git.kernel.org/stable/c/815c528b13f2bb9b3130c13bedeabf2351a68129"},{"url":"https://git.kernel.org/stable/c/152c1339dc13ad46f1b136e8693de15980750835"}],"title":"mm: swap: fix potential buffer overflow in setup_clusters()","x_generator":{"engine":"bippy-1.2.0"}}}}