Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-53189

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().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 3.6%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-53189


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