CVE-2022-4128
Last modified
CVE-2022-4128 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 5.17, <= 5.18 | — |
| Linux | Linux Kernel | 5.19 | Rc1 |
References
- https://github.com/torvalds/linux/commit/5c835bb142d4Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/5c835bb142d4Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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