{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39700","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.115Z","datePublished":"2025-09-05T17:21:06.479Z","dateUpdated":"2026-05-11T21:34:34.216Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:34:34.216Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/ops-common: ignore migration request to invalid nodes\n\ndamon_migrate_pages() tries migration even if the target node is invalid. \nIf users mistakenly make such invalid requests via\nDAMOS_MIGRATE_{HOT,COLD} action, the below kernel BUG can happen.\n\n    [ 7831.883495] BUG: unable to handle page fault for address: 0000000000001f48\n    [ 7831.884160] #PF: supervisor read access in kernel mode\n    [ 7831.884681] #PF: error_code(0x0000) - not-present page\n    [ 7831.885203] PGD 0 P4D 0\n    [ 7831.885468] Oops: Oops: 0000 [#1] SMP PTI\n    [ 7831.885852] CPU: 31 UID: 0 PID: 94202 Comm: kdamond.0 Not tainted 6.16.0-rc5-mm-new-damon+ #93 PREEMPT(voluntary)\n    [ 7831.886913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-4.el9 04/01/2014\n    [ 7831.887777] RIP: 0010:__alloc_frozen_pages_noprof (include/linux/mmzone.h:1724 include/linux/mmzone.h:1750 mm/page_alloc.c:4936 mm/page_alloc.c:5137)\n    [...]\n    [ 7831.895953] Call Trace:\n    [ 7831.896195]  <TASK>\n    [ 7831.896397] __folio_alloc_noprof (mm/page_alloc.c:5183 mm/page_alloc.c:5192)\n    [ 7831.896787] migrate_pages_batch (mm/migrate.c:1189 mm/migrate.c:1851)\n    [ 7831.897228] ? __pfx_alloc_migration_target (mm/migrate.c:2137)\n    [ 7831.897735] migrate_pages (mm/migrate.c:2078)\n    [ 7831.898141] ? __pfx_alloc_migration_target (mm/migrate.c:2137)\n    [ 7831.898664] damon_migrate_folio_list (mm/damon/ops-common.c:321 mm/damon/ops-common.c:354)\n    [ 7831.899140] damon_migrate_pages (mm/damon/ops-common.c:405)\n    [...]\n\nAdd a target node validity check in damon_migrate_pages().  The validity\ncheck is stolen from that of do_pages_move(), which is being used for the\nmove_pages() system call."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/ops-common.c"],"versions":[{"version":"b51820ebea656be3b48bb16dcdc5ad3f203c4fd7","lessThan":"7c303fa1f311aadc17fa82b7bbf776412adf45de","status":"affected","versionType":"git"},{"version":"b51820ebea656be3b48bb16dcdc5ad3f203c4fd7","lessThan":"9d0c2d15aff96746f99a7c97221bb8ce5b62db19","status":"affected","versionType":"git"},{"version":"b51820ebea656be3b48bb16dcdc5ad3f203c4fd7","lessThan":"7e6c3130690a01076efdf45aa02ba5d5c16849a0","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/damon/ops-common.c"],"versions":[{"version":"6.11","status":"affected"},{"version":"0","lessThan":"6.11","status":"unaffected","versionType":"semver"},{"version":"6.12.44","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.16.4","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":"6.11","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7c303fa1f311aadc17fa82b7bbf776412adf45de"},{"url":"https://git.kernel.org/stable/c/9d0c2d15aff96746f99a7c97221bb8ce5b62db19"},{"url":"https://git.kernel.org/stable/c/7e6c3130690a01076efdf45aa02ba5d5c16849a0"}],"title":"mm/damon/ops-common: ignore migration request to invalid nodes","x_generator":{"engine":"bippy-1.2.0"}}}}