{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53189", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.390Z", "datePublished": "2026-06-25T08:39:01.708Z", "dateUpdated": "2026-06-25T08:39:01.708Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:39:01.708Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/huge_memory: update file PMD counter before folio_put()\n\n__split_huge_pmd_locked() updates the file/shmem RSS counter after\ndropping the PMD mapping's folio reference. If folio_put() drops the last\nreference, mm_counter_file() can later read freed folio state via\nfolio_test_swapbacked().\n\nMove the counter update before folio_put()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/huge_memory.c"], "versions": [{"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "84b3212b166b446faea27ebebb7161405ffceef9", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "108963978a681c0c468d279cac2b930c27672877", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "459771c9cf30f378bdbd30fc65d17f7eb931bb59", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "ae9d4caf6f133e884cf5fcda4982c493b35e5194", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "6c29a8ba084e89499ca77b947e07ae817f9c16ce", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "5f5b604e1e6bde4e889199168ee80fe8306d06ad", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "ed5b030931292c94133437ac5e5ff580e498eabd", "status": "affected", "versionType": "git"}, {"version": "fadae2953072e9005c5f1d64e1049edb043494dc", "lessThan": "8d878059924f12c1bc24556a92ec56add74de3c8", "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/huge_memory.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.19", "versionEndExcluding": "5.10.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/84b3212b166b446faea27ebebb7161405ffceef9"}, {"url": "https://git.kernel.org/stable/c/108963978a681c0c468d279cac2b930c27672877"}, {"url": "https://git.kernel.org/stable/c/459771c9cf30f378bdbd30fc65d17f7eb931bb59"}, {"url": "https://git.kernel.org/stable/c/ae9d4caf6f133e884cf5fcda4982c493b35e5194"}, {"url": "https://git.kernel.org/stable/c/6c29a8ba084e89499ca77b947e07ae817f9c16ce"}, {"url": "https://git.kernel.org/stable/c/5f5b604e1e6bde4e889199168ee80fe8306d06ad"}, {"url": "https://git.kernel.org/stable/c/ed5b030931292c94133437ac5e5ff580e498eabd"}, {"url": "https://git.kernel.org/stable/c/8d878059924f12c1bc24556a92ec56add74de3c8"}], "title": "mm/huge_memory: update file PMD counter before folio_put()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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