{"id":"CVE-2026-53333","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-53333","generatedAt":"2026-10-28T04:03:11.034Z","title":"In the Linux kernel, the following vulnerability has been resolved: mm/mincore: handle non-swap entries before !CONFIG_SWAP guard mincore_swap() also fields migration/hwpoison entries (and shmem swapin-error entries), which can exist on !CONFIG_SWAP…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/mincore: handle non-swap entries before !CONFIG_SWAP guard\n\nmincore_swap() also fields migration/hwpoison entries (and shmem\nswapin-error entries), which can exist on !CONFIG_SWAP builds when\nCONFIG_MIGRATION or CONFIG_MEMORY_FAILURE is enabled.  The\n!IS_ENABLED(CONFIG_SWAP) guard ran before the non-swap-entry early return,\nso mincore_pte_range() can spuriously WARN and report these pages\nnonresident on !CONFIG_SWAP kernels.\n\nMove the guard below the non-swap-entry check so only true swap entries\ntrip the WARN, and migration/hwpoison entries take the existing \"uptodate\n/ non-shmem\" path.","published":"2026-07-01T14:16:41.000Z","lastModified":"2026-07-23T21:33:48.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.0016,"percentile":0.05129,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/0c25b8734367574e21aeb8468c2e522713134da7","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3481d4372ae34243f7025925314385b852c50f7e","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a8f91ddf67f669f547bb9fb559738da6f8ee2cf3","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53333","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}