Improper input validation in Linux Kernel
CVE-2018-14656
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel — versions 4.19
- [Unknown] Kernel — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2018-14656?
- CVE-2018-14656 is a high-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 7.0/10. Published 2018-10-08.
- How severe is CVE-2018-14656?
- High severity. CVSS v3 base score is 7.0 out of 10.