Vulnerability Description
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.
CVSS Score
7.0
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.18 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1041804Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1650Issue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34PatchThird Party Advisory
- https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
- https://seclists.org/oss-sec/2018/q4/9Mailing ListPatchThird Party Advisory
- http://www.securitytracker.com/id/1041804Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1650Issue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34PatchThird Party Advisory
- https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
- https://seclists.org/oss-sec/2018/q4/9Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2018-14656?
CVE-2018-14656 is a vulnerability with a CVSS score of 7.0 (HIGH). 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.
How severe is CVE-2018-14656?
CVE-2018-14656 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-14656?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.