{"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": "2026-06-28T06:40:05.635Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-28T06:40:05.635Z"}, "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()."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "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": 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"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": 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PMD counter before folio_put()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: mm/huge_memory: update file PMD counter before folio_put()", "id": "2492788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492788"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-364", "details": ["A flaw was found in the Linux kernel's memory management, specifically within the huge page mechanism. When a huge page is split, the system updates a counter after releasing a reference to the memory. This timing issue can lead to the system attempting to read from memory that has already been freed, potentially resulting in memory corruption or information disclosure."], "name": "CVE-2026-53189", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53189\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53189\nhttps://lore.kernel.org/linux-cve-announce/2026062557-CVE-2026-53189-1b4a@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,84b3212b166b446faea27ebebb7161405ffceef9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,108963978a681c0c468d279cac2b930c27672877)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,459771c9cf30f378bdbd30fc65d17f7eb931bb59)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,ae9d4caf6f133e884cf5fcda4982c493b35e5194)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,6c29a8ba084e89499ca77b947e07ae817f9c16ce)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,5f5b604e1e6bde4e889199168ee80fe8306d06ad)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,ed5b030931292c94133437ac5e5ff580e498eabd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fadae2953072e9005c5f1d64e1049edb043494dc,8d878059924f12c1bc24556a92ec56add74de3c8)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.259,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.210,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.176,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.143,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.94,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-25T11:00:11.395294+00:00", "updated": "2026-06-28T14:30:07.096701+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}