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CVE-2026-72173 (GCVE-0-2026-72173)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:53 – Updated: 2026-08-17 05:09
VLAI
Title
fs/proc/task_mmu: do not warn on seeing non-migration pmd entry
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/proc/task_mmu: do not warn on seeing non-migration pmd entry Patch series "mm/hmm: A fix and a selftest", v3. Patch 1 fixes a stale warning present from the time when only migration softleaf entries were supported at the PMD level. Patch 2 adds some code into hmm-tests.c which exercises the pagemap path for PMD device-private entries. This patch (of 2): pagemap_pmd_range_thp() warns if a non-present PMD is not a migration entry. This became false once device-private entries at the PMD level were added. Therefore, remove the stale migration-only assertion.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a30b48bf1b244f11bf9b6d20cdccfe0c2264130c , < 319caaca072adc564ac9c5357ed013909f23d5ab (git)
Affected: a30b48bf1b244f11bf9b6d20cdccfe0c2264130c , < cd1fc0e3c1f67c0c31dfc215e5d9b771133dedc0 (git)
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Linux Linux Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "dateReserved": "2026-08-09T03:40:39.910Z",
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    "redhat_vex": {
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      "title": "kernel: fs/proc/task_mmu: do not warn on seeing non-migration pmd entry",
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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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