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Issue metadata

Status: WontFix
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug-Security



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CVE-2017-17863 CrOS: Vulnerability reported in Linux kernel

Project Member Reported by vomit.go...@appspot.gserviceaccount.com, Jan 10 2018

Issue description

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

Advisory: CVE-2017-17863
  Details: http://vomit.googleplex.com/advisory?id=CVE/CVE-2017-17863
  CVSS severity score: 7.2/10.0
  Description:

kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.



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, Jan 10 2018

Cc: wonderfly@google.com
Labels: Security_Severity-High Security_Impact-None Pri-3
Owner: groeck@chromium.org
Status: WontFix (was: Untriaged)
Only v4.9 stable releases are affected, and only if BPF_SYSCALL is enabled. There is no chromeos-4.9, and BPF_SYSCALL is not enabled in ChromeOS.

Cc: sawlani@google.com

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