Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.17, < 6.0.17 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0ce4cc6d269ddc448a825955b495f662f5d9e153Patch
- https://git.kernel.org/stable/c/38ce7c9bdfc228c14d7621ba36d3eebedd9d4f76Patch
- https://git.kernel.org/stable/c/4ca0eb6b2f3add8c5daefb726ce57dc95d103d33Patch
FAQ
What is CVE-2022-50391?
CVE-2022-50391 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2022-50391?
CVE-2022-50391 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50391?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.