CVE-2026-23100 — Incorrect Synchronization in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 93.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 4
Latest updateFeb 10
Description
In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix hugetlb_pmd_shared()
Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using
mmu_gather)", v3.
One functional fix, one performance regression fix, and two related
comment fixes.
I cleaned up my prototype I recently shared [1] for the performance fix,
deferring most of the cleanups I had in the prototype to a later point.
While doing that I identified the other things.
The goal of this patch set is…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages3 packages
▶CVEListV5linux/linux02333ac1c35370517a19a4a131332a9690c6a5c7 — 5b2aec77f92265a9028c5f632bdd9af5b57ec3a3+7
Patches
🔴Vulnerability Details
3OSV▶
CVE-2026-23100: In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table↗2026-02-04
GHSA▶
GHSA-4rhr-9xj2-x9gx: In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix hugetlb_pmd_shared()
Patch series "mm/hugetlb: fixes for PMD tab↗2026-02-04