CVEvulnerability
CVE-2018-14656
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-10-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.0 HIGH — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• linux linux kernel (<= 4.18)
• linux linux kernel 4.19
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://www.securitytracker.com/id/1041804 Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1650 Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656 Issue Tracking, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4 Patch, Third Party Advisory
- https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/ lore.kernel.org
- https://seclists.org/oss-sec/2018/q4/9 Mailing List, Patch, Third Party Advisory
- http://www.securitytracker.com/id/1041804 Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1650 Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656 Issue Tracking, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4 Patch, Third Party Advisory
- https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/ lore.kernel.org
- https://seclists.org/oss-sec/2018/q4/9 Mailing List, Patch, Third Party Advisory