CVE-2026-53189 (GCVE-0-2026-53189)
Vulnerability from cvelistv5 – Published: 2026-06-25 08:39 – Updated: 2026-06-28 06:40
VLAI
EPSS
VEX
Title
mm/huge_memory: update file PMD counter before folio_put()
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/huge_memory: update file PMD counter before folio_put()
__split_huge_pmd_locked() updates the file/shmem RSS counter after
dropping the PMD mapping's folio reference. If folio_put() drops the last
reference, mm_counter_file() can later read freed folio state via
folio_test_swapbacked().
Move the counter update before folio_put().
Severity
7.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
fadae2953072e9005c5f1d64e1049edb043494dc , < 84b3212b166b446faea27ebebb7161405ffceef9
(git)
Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 108963978a681c0c468d279cac2b930c27672877 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 459771c9cf30f378bdbd30fc65d17f7eb931bb59 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < ae9d4caf6f133e884cf5fcda4982c493b35e5194 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 6c29a8ba084e89499ca77b947e07ae817f9c16ce (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 5f5b604e1e6bde4e889199168ee80fe8306d06ad (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < ed5b030931292c94133437ac5e5ff580e498eabd (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 8d878059924f12c1bc24556a92ec56add74de3c8 (git) |
|
| Linux | Linux |
Affected:
4.19
Unaffected: 0 , < 4.19 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.13 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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}
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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