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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…
High7.0EPSS 0.53%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | High7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.53% · top 55% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
References (6)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1041804 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/ (opens in a new tab)x_refsource_MISCx_transferred
- https://seclists.org/oss-sec/2018/q4/9 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1650 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-14656)Record last updated .