CVE-2026-72173
CVE-2026-72173: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-72173] do not warn on seeing non-migration pmd entry
CVE-2026-72173Source published Source updated
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 became false once device-private entries at the PMD level were added. Therefore, remove the stale migration-only assertion. A flaw was found in the Linux kernel's memory management unit (MMU). The `pagemap_pmd_range_thp()` function incorrectly issued a warning when encountering certain non-present Page Middle Directory (PMD) entries. This issue arose because an assertion related to…
- Affected products in this advisory
- Red Hat Enterprise Linux 6
- Red Hat package: kernel
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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