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CVE-2026-64181

In the Linux kernel, the following vulnerability has been resolved: mm: fix __vm_normal_page() to handle missing support for pmd_special()/pud_special() On x86 32-bit with THP enabled, zap_huge_pmd() is seen to generate a "WARNING: mm/memory.c:735 at __vm_normal_page+0x6a/0x7d", from the VM_WARN_ON_ONCE(is_zero_pfn(pfn) || is_huge_zero_pfn(pfn)); followed by "BUG: Bad rss-counter state"s, then later "BUG: Bad page state"s when reclaim gets to call shrink_huge_zero_folio_scan(). It's as if the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8b3dce9b28d1199b1b87206135c8eed54a864811d4f07a6f3871ecc4f6ee3e66
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":"unaffected","product":"Linux","programFiles":["mm/memory.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"62153767e8fc3889bc6508e9ffe927aaf64c4334","status":"affected","version":"af38538801c6a97565b44700ee6695d7d60ad779","versionType":"git"},{"lessThan":"9052ea2ee2233be5d4786b8909151ca2bfbedf99","status":"affected","version":"af38538801c6a97565b44700ee6695d7d60ad779","versionType":"git"},{"lessThan":"c0c6ccd9828c3a1950623b546fa57292a77b5c73","status":"affected","version":"af38538801c6a97565b44700ee6695d7d6…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["mm/memory.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/memory.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"62153767e8fc3889bc6508e9ffe927aaf64c4334","status":"affected","version":"af38538801c6a97565b44700ee6695d7d60ad779","versionType":"git"},{"lessThan":"9052ea2ee2233be5d4786b8909151ca2bfbedf99","status":"affected","version":"af38538801c6a97565b44700ee6695d7d60ad779","versionType":"git"},{"lessThan":"c0c6ccd9828c3a1950623b546fa57292a77b5c73","status":"affected","version":"af38538801c6a97565b44700ee6695d7d6…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["mm/memory.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/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:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/62153767e8fc3889bc6508e9ffe927aaf64c4334"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9052ea2ee2233be5d4786b8909151ca2bfbedf99"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c0c6ccd9828c3a1950623b546fa57292a77b5c73"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f23681bee33f5ba8ed79618dd8011e922e4221c05e2f651b0a6a57674227e682 · sha256:c18c52b01f1ca57a… · /containers/cna/references/2

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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