Vulnerability Description
A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.17, <= 5.18 |
Related Weaknesses (CWE)
References
- https://github.com/torvalds/linux/commit/5c835bb142d4PatchVendor Advisory
- https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linuPatchVendor Advisory
- https://github.com/torvalds/linux/commit/5c835bb142d4PatchVendor Advisory
- https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linuPatchVendor Advisory
FAQ
What is CVE-2022-4128?
CVE-2022-4128 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the...
How severe is CVE-2022-4128?
CVE-2022-4128 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-2022-4128?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.