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CVE-2018-16884
Good to know:
Date: December 18, 2018
A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
Language: C
Severity Score
Related Resources (27)
Severity Score
Weakness Type (CWE)
Use After Free
CWE-416Top Fix
Upgrade Version
Upgrade to version v3.16.64,v3.18.133,v4.4.171,v4.9.151,v4.14.94,v4.19.16,v4.20.3,v5.0-rc1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | ADJACENT_NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | HIGH |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | ADJACENT |
| Access Complexity (AC): | LOW |
| Authentication (AU): | SINGLE |
| Confidentiality (C): | PARTIAL |
| Integrity (I): | PARTIAL |
| Availability (A): | COMPLETE |
| Additional information: |