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Issue 825479 link

Starred by 1 user
Status: WontFix
Owner:
groeck@chromium.org
Closed: Mar 2018
Cc:
lakitu-dev@google.com
wonderfly@google.com
zsm@chromium.org
chromeos-kernel-security-bug-access@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug-Security



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CVE-2017-18204 CrOS: Vulnerability reported in Linux kernel

Project Member Reported by vomit.go...@appspot.gserviceaccount.com, Mar 24 2018 
VOMIT (go/vomit) has received an external vulnerability report for the Linux kernel. 

Advisory: CVE-2017-18204
  Details: http://vomit.googleplex.com/advisory?id=CVE/CVE-2017-18204
  CVSS severity score: 2.1/10.0
  Description:

The ocfs2_setattr function in fs/ocfs2/file.c in the Linux kernel before 4.14.2 allows local users to cause a denial of service (deadlock) via DIO requests.



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

Comment 1 by groeck@chromium.org, Mar 24 2018

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 28f5a8a7c033cbf ("ocfs2: should wait dio before inode lock in ocfs2_setattr()"). Fixed in chromeos-4.14. Not applicable to chromeos-4.4 or earlier (the problem was intoduced in v4.6). Either case, ocfs is not enabled in chromeos images. Marking WontFix.

Comment 2 by wonderfly@google.com, Mar 26 2018

Cc: lakitu-dev@google.com
No impact on lakitu.
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