Answer in brief
CVE-2026-53189 records a High severity (CVSS 7.8) vulnerability in mm/huge_memory: update file PMD counter before folio_put(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-53189 records a High severity (CVSS 7.8) vulnerability in mm/huge_memory: update file PMD counter before folio_put(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=fadae2953072e9005c5f1d64e1049edb043494dc <84b3212b166b446faea27ebebb7161405ffceef9 || >=fadae2953072e9005c5f1d64e1049edb043494dc <108963978a681c0c468d279cac2b930c27672877 || >=fadae2953072e9005c5f1d64e1049edb043494dc <459771c9cf30f378bdbd30fc65d17f7eb931bb59 || >=fadae2953072e9005c5f1d64e1049edb043494dc <ae9d4caf6f133e884cf5fcda4982c493b35e5194 || >=fadae2953072e9005c5f1d64e1049edb043494dc <6c29a8ba084e89499ca77b947e07ae817f9c16ce || >=fadae2953072e9005c5f1d64e1049edb043494dc <5f5b604e1e6bde4e889199168ee80fe8306d06ad || >=fadae2953072e9005c5f1d64e1049edb043494dc <ed5b030931292c94133437ac5e5ff580e498eabd || >=fadae2953072e9005c5f1d64e1049edb043494dc <8d878059924f12c1bc24556a92ec56add74de3c8 | 84b3212b166b446faea27ebebb7161405ffceef9, 108963978a681c0c468d279cac2b930c27672877, 459771c9cf30f378bdbd30fc65d17f7eb931bb59, ae9d4caf6f133e884cf5fcda4982c493b35e5194, 6c29a8ba084e89499ca77b947e07ae817f9c16ce, 5f5b604e1e6bde4e889199168ee80fe8306d06ad, ed5b030931292c94133437ac5e5ff580e498eabd, 8d878059924f12c1bc24556a92ec56add74de3c8 |
| Linux/Linuxgeneric | 4.19 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
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().
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=fadae2953072e9005c5f1d64e1049edb043494dc <84b3212b166b446faea27ebebb7161405ffceef9 || >=fadae2953072e9005c5f1d64e1049edb043494dc <108963978a681c0c468d279cac2b930c27672877 || >=fadae2953072e9005c5f1d64e1049edb043494dc <459771c9cf30f378bdbd30fc65d17f7eb931bb59 || >=fadae2953072e9005c5f1d64e1049edb043494dc <ae9d4caf6f133e884cf5fcda4982c493b35e5194 || >=fadae2953072e9005c5f1d64e1049edb043494dc <6c29a8ba084e89499ca77b947e07ae817f9c16ce || >=fadae2953072e9005c5f1d64e1049edb043494dc <5f5b604e1e6bde4e889199168ee80fe8306d06ad || >=fadae2953072e9005c5f1d64e1049edb043494dc <ed5b030931292c94133437ac5e5ff580e498eabd || >=fadae2953072e9005c5f1d64e1049edb043494dc <8d878059924f12c1bc24556a92ec56add74de3c8 | 84b3212b166b446faea27ebebb7161405ffceef9, 108963978a681c0c468d279cac2b930c27672877, 459771c9cf30f378bdbd30fc65d17f7eb931bb59, ae9d4caf6f133e884cf5fcda4982c493b35e5194, 6c29a8ba084e89499ca77b947e07ae817f9c16ce, 5f5b604e1e6bde4e889199168ee80fe8306d06ad, ed5b030931292c94133437ac5e5ff580e498eabd, 8d878059924f12c1bc24556a92ec56add74de3c8 |
| Linux/Linuxgeneric | 4.19 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
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().
Quoted source text, attributed separately from HOL analysis.