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Issue 872707 link

Starred by 1 user
Status: WontFix
Owner:
zsm@chromium.org
Closed: Aug 9
Cc:
█ wonderfly@chromium.org
groeck@chromium.org
chromeos-kernel-security-bug-access@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 2
Type: Bug-Security



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CVE-2018-5814 CrOS: Vulnerability reported in Linux kernel

Project Member Reported by vomit.go...@appspot.gserviceaccount.com, Aug 9 
VOMIT (go/vomit) has received an external vulnerability report for the Linux kernel. 

Advisory: CVE-2018-5814
  Details: http://vomit.googleplex.com/advisory?id=CVE/CVE-2018-5814
  CVSS severity score: 6.9/10.0
  Description:

In the Linux Kernel before version 4.16.11, 4.14.43, 4.9.102, and 4.4.133, multiple race condition errors when handling probe, disconnect, and rebind operations can be exploited to trigger a use-after-free condition or a NULL pointer dereference by sending multiple USB over IP packets.



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

Comment 1 by zsm@google.com, Aug 9

Cc: groeck@chromium.org wonderfly@chromium.org
Labels: Security_Severity-Medium Security_Impact-Stable Pri-2
Owner: zsm@chromium.org
Status: Assigned (was: Untriaged)
Upstream patches are :-
22076557b07("usbip: usbip_host: fix NULL-ptr deref and use-after-free errors")
c171654caa8("usbip: usbip_host: fix bad unlock balance during stub_probe()")

These patches are present in 4.14, 4.4. Patches are not present in v3.18, but is present in 3.18.y; will pull them.

Comment 2 by zsm@chromium.org, Aug 9

Status: WontFix (was: Assigned)
None of the USBIP related config seems to be set in our kernels(CONFIG_USBIP_CORE).  The change does not have to be pulled into 3.18. Marking this as WontFix.
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