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Issue metadata

Status: WontFix
Owner: ----
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug-Security



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CVE-2017-17052 CrOS: Vulnerability reported in Linux kernel

Project Member Reported by vomit.go...@appspot.gserviceaccount.com, Dec 21 2017

Issue description

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

Advisory: CVE-2017-17052
  Details: http://vomit.googleplex.com/advisory?id=CVE/CVE-2017-17052
  CVSS severity score: 7.2/10.0
  Description:

The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.



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, Dec 21 2017

Labels: Security_Severity-High Security_Impact-None Pri-3
Status: WontFix (was: Untriaged)
Upstream commit 2b7e8665b4ff51c034c55df3cff76518d1a9ee3a ("fork: fix incorrect fput of ->exe_file causing use-after-free"). Fixes 7c051267931a9be9 which was introduced after v4.4. Does not apply to any chromeos releases.

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