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Issue metadata

Status: WontFix
Owner:
Closed: Nov 28
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug-Security



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CVE-2018-14656 CrOS: Vulnerability reported in Linux kernel

Project Member Reported by vomit.go...@appspot.gserviceaccount.com, Nov 28

Issue description

VOMIT (go/vomit) has received an external vulnerability report for the Linux kernel. 

Advisory: CVE-2018-14656
  Details: http://vomit.googleplex.com/advisory?id=CVE/CVE-2018-14656
  CVSS severity score: 2.1/10.0
  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.



This bug was filed by http://go/vomit
Please contact us at vomit-team@google.com if you need any assistance.

 
Cc: wonderfly@google.com zsm@chromium.org
Labels: Security_Severity-Low Security_Impact-None Pri-3
Owner: groeck@chromium.org
Status: WontFix (was: Untriaged)
Upstream commit 342db04ae7 ("x86/dumpstack: Don't dump kernel memory based on usermode RIP"). chromeos-4.19 is not affected. The bug was introduced with commit 7cccf0725cf7 ("x86/dumpstack: Add a show_ip() function"), which is not present in any older kernels.

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