A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.
Find out more about CVE-2018-14656 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 4.7 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
Attack Vector | Local |
Attack Complexity | High |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity Impact | None |
Availability Impact | None |
Platform | Package | State |
---|---|---|
Red Hat Enterprise MRG 2 | kernel-rt | Not affected |
Red Hat Enterprise Linux 7 | kernel-alt | Not affected |
Red Hat Enterprise Linux 7 | kernel | Not affected |
Red Hat Enterprise Linux 7 | kernel-rt | Not affected |
Red Hat Enterprise Linux 6 | kernel | Not affected |
Red Hat Enterprise Linux 5 | kernel | Not affected |