{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72173", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.910Z", "datePublished": "2026-08-15T05:53:38.543Z", "dateUpdated": "2026-08-15T05:53:38.543Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:53:38.543Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/proc/task_mmu: do not warn on seeing non-migration pmd entry\n\nPatch series \"mm/hmm: A fix and a selftest\", v3.\n\nPatch 1 fixes a stale warning present from the time when only migration\nsoftleaf entries were supported at the PMD level.\n\nPatch 2 adds some code into hmm-tests.c which exercises the pagemap path\nfor PMD device-private entries.\n\n\nThis patch (of 2):\n\npagemap_pmd_range_thp() warns if a non-present PMD is not a migration\nentry. This became false once device-private entries at the PMD level\nwere added.\n\nTherefore, remove the stale migration-only assertion."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/proc/task_mmu.c"], "versions": [{"version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c", "lessThan": "319caaca072adc564ac9c5357ed013909f23d5ab", "status": "affected", "versionType": "git"}, {"version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c", "lessThan": "cd1fc0e3c1f67c0c31dfc215e5d9b771133dedc0", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/proc/task_mmu.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "6.19", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/319caaca072adc564ac9c5357ed013909f23d5ab"}, {"url": "https://git.kernel.org/stable/c/cd1fc0e3c1f67c0c31dfc215e5d9b771133dedc0"}], "title": "fs/proc/task_mmu: do not warn on seeing non-migration pmd entry", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/proc/task_mmu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "319caaca072adc564ac9c5357ed013909f23d5ab", "status": "affected", "version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c", "versionType": "git"}, {"lessThan": "cd1fc0e3c1f67c0c31dfc215e5d9b771133dedc0", "status": "affected", "version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/proc/task_mmu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/proc/task_mmu: do not warn on seeing non-migration pmd entry\n\nPatch series \"mm/hmm: A fix and a selftest\", v3.\n\nPatch 1 fixes a stale warning present from the time when only migration\nsoftleaf entries were supported at the PMD level.\n\nPatch 2 adds some code into hmm-tests.c which exercises the pagemap path\nfor PMD device-private entries.\n\n\nThis patch (of 2):\n\npagemap_pmd_range_thp() warns if a non-present PMD is not a migration\nentry. This became false once device-private entries at the PMD level\nwere added.\n\nTherefore, remove the stale migration-only assertion."}], "id": "CVE-2026-72173", "lastModified": "2026-08-15T06:21:35.460", "metrics": {}, "published": "2026-08-15T06:21:35.460", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/319caaca072adc564ac9c5357ed013909f23d5ab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cd1fc0e3c1f67c0c31dfc215e5d9b771133dedc0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a30b48bf1b244f11bf9b6d20cdccfe0c2264130c,319caaca072adc564ac9c5357ed013909f23d5ab)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a30b48bf1b244f11bf9b6d20cdccfe0c2264130c,cd1fc0e3c1f67c0c31dfc215e5d9b771133dedc0)"}}], "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": "generic", "value": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc1,*]"}}], "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": "2026-08-15T15:30:09.433056+00:00", "updated": "2026-08-15T20:00:08.425813+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-703"]}