Unrated severityNVD Advisory· Published Sep 18, 2025· Updated Jan 14, 2026
mm/mempolicy: fix memory leak in set_mempolicy_home_node system call
CVE-2022-50391
Description
In the Linux kernel, the following vulnerability has been resolved:
mm/mempolicy: fix memory leak in set_mempolicy_home_node system call
When encountering any vma in the range with policy other than MPOL_BIND or MPOL_PREFERRED_MANY, an error is returned without issuing a mpol_put on the policy just allocated with mpol_dup().
This allows arbitrary users to leak kernel memory.
Affected products
2- Linux/Linuxv5Range: 5.17
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3News mentions
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