| Release Date: | 2018-03-02 | |
| Impact: | Moderate | What is this? |
The Linux kernel before version 4.11 is vulnerable to a NULL pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() that allows an attacker controlling a CIFS server to kernel panic a client that has this server mounted, because an empty TargetInfo field in an NTLMSSP setup negotiation response is mishandled during session recovery.
See more information about CVE-2018-1066 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 6.5 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
| Platform | Errata | Release Date |
| Oracle Linux version 6 (kernel-uek) | ELSA-2019-4596 | 2019-03-31 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2019-4596 | 2019-03-31 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2019-0014 | 2019-05-02 |
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