CVE-2018-17977
A flaw was found in the Linux kernel's handling of complex interactions between netlink, IP, and AH style packets which can enter a state where the used memory will not be freed. This can eventually use all memory and possibly crash userspace programs due to lack of available memory.
Find out more about CVE-2018-17977 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 4.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | High |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | kernel-rt | Affected |
| Red Hat Enterprise Linux 7 | kernel-alt | Affected |
| Red Hat Enterprise Linux 7 | kernel | Affected |
| Red Hat Enterprise Linux 7 | kernel-rt | Affected |
| Red Hat Enterprise Linux 6 | kernel | Affected |
| Red Hat Enterprise Linux 5 | kernel | Will not fix |