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VulnerabilityPublished Updated

CVE-2026-98373: Linux kernel · mm/hugetlb: preserve mremap address delta when skipping page tables

Source GCVE Database

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Authoritative record:CVE-2026-98373· High

Not known to be exploited · fixed in cf73ef2a761df9329af116c905a7a94b317921e4 : patch Linux kernel soon.

Data as of 30 Oct 2026, 17:19 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in cf73ef2a761df9329af116c905a7a94b317921e4, ab4f0f68cf4773dc0513baccbbe790c80a301773, 850cc4a84b36a0062dcd0391acd2450e20ab0767 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ e95a9851787bbb3cd4deb40fe8bab03f731852d1, < cf73ef2a761df9329af116c905a7a94b317921e4
Fixed in
  • cf73ef2a761df9329af116c905a7a94b317921e4
LinuxLinuxAffected
  • ≥ e95a9851787bbb3cd4deb40fe8bab03f731852d1, < ab4f0f68cf4773dc0513baccbbe790c80a301773
Fixed in
  • ab4f0f68cf4773dc0513baccbbe790c80a301773
LinuxLinuxAffected
  • ≥ e95a9851787bbb3cd4deb40fe8bab03f731852d1, < 850cc4a84b36a0062dcd0391acd2450e20ab0767
Fixed in
  • 850cc4a84b36a0062dcd0391acd2450e20ab0767
LinuxLinuxAffected
  • ≥ e95a9851787bbb3cd4deb40fe8bab03f731852d1, < 480a39b0a12c977ed6e755f3d12a23424c57d11f
Fixed in
  • 480a39b0a12c977ed6e755f3d12a23424c57d11f
LinuxLinuxAffected
  • ≥ e95a9851787bbb3cd4deb40fe8bab03f731852d1, < 9bdad082d44bdcf93716973dcba6be77e8a06e7b
Fixed in
  • 9bdad082d44bdcf93716973dcba6be77e8a06e7b
LinuxLinuxAffected
  • ≥ e95a9851787bbb3cd4deb40fe8bab03f731852d1, < 7a96b0f657c8d799ea5b8e02fc9ec7cca0e6e7ff
Fixed in
  • 7a96b0f657c8d799ea5b8e02fc9ec7cca0e6e7ff

AI-suggested

A fix has been implemented that corrects the address advancement logic in move_hugetlb_page_tables(). Users should apply the official kernel updates containing this fix once available.

Description

A vulnerability in the Linux kernel's huge page memory management subsystem (mm/hugetlb) was fixed. The flaw involved incorrect address advancement in the move_hugetlb_page_tables() function during mremap() operations, which could cause the destination address to be advanced too far if source and destination offsets differed. This could lead to kernel panics on affected systems. The issue has been resolved by adjusting the destination address advancement to match the source address advancement.

References

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