Vulnerability Details : CVE-2022-4128
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2022-4128
- cpe:2.3:o:linux:mptcp_protocol:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-4128
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-4128
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2022-4128
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: secalert@redhat.com (Primary)
References for CVE-2022-4128
-
https://github.com/torvalds/linux/commit/5c835bb142d4
mptcp: fix subflow traversal at disconnect time · torvalds/linux@5c835bb · GitHubPatch;Vendor Advisory
-
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau@linux.intel.com/
[PATCH net 1/2] mptcp: fix subflow traversal at disconnect time - Mat MartineauPatch;Vendor Advisory
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