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CVE-2026-31589

In the Linux kernel, the following vulnerability has been resolved: mm: call ->free_folio() directly in folio_unmap_invalidate() We can only call filemap_free_folio() if we have a reference to (or hold a lock on) the mapping. Otherwise, we've already removed the folio from the mapping so it no longer pins the mapping and the mapping can be removed, causing a use-after-free when accessing mapping->a_ops. Follow the same pattern as __remove_mapping() and load the free_folio function pointer be
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:55f1957ea1b963a26e6cddb5ae2e9a3afc641032f35471dc10d8184639dca0dc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["mm/filemap.c","mm/internal.h","mm/truncate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.27","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.1","versionType":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/filemap.c","mm/internal.h","mm/truncate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"efc52947247a21bbf79059539bbbd40f4ea76f00","status":"affected","version":"fb7d3bc4149395c1ae99029c852eab6c28fc3c88","versionType":"git"},{"lessThan":"b667df39d98a7a24be7c2a40ff0863dac1ad2cd7","status":"affected","version":"fb7d3bc4149395c1ae99029c852eab6c28fc3c88","versionType":"git"},{"lessThan":"c330e65ea59c4805d6ab6757c4ddfe8c63acef31","status":"affected","version":"f…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["mm/filemap.c","mm/internal.h","mm/truncate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.27","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.1","versionType":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/filemap.c","mm/internal.h","mm/truncate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"efc52947247a21bbf79059539bbbd40f4ea76f00","status":"affected","version":"fb7d3bc4149395c1ae99029c852eab6c28fc3c88","versionType":"git"},{"lessThan":"b667df39d98a7a24be7c2a40ff0863dac1ad2cd7","status":"affected","version":"fb7d3bc4149395c1ae99029c852eab6c28fc3c88","versionType":"git"},{"lessThan":"c330e65ea59c4805d6ab6757c4ddfe8c63acef31","status":"affected","version":"f…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/615d9bb2ccad42f9e21d837431e401db2e471195"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/b667df39d98a7a24be7c2a40ff0863dac1ad2cd7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c330e65ea59c4805d6ab6757c4ddfe8c63acef31"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/efc52947247a21bbf79059539bbbd40f4ea76f00"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c149573bc1b00377d2ec9bea3c0d89f76b7bd0eee0ada38123e61cdfef5388a · sha256:d65bca840fb84f77… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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