Bug 1081589 (CVE-2014-0155) - CVE-2014-0155 kernel: kvm: BUG caused by invalid entry in guest ioapic redirection table
Summary: CVE-2014-0155 kernel: kvm: BUG caused by invalid entry in guest ioapic redire...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2014-0155
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1081590 1085016
Blocks: 1081595
TreeView+ depends on / blocked
 
Reported: 2014-03-27 16:06 UTC by Petr Matousek
Modified: 2023-05-12 02:53 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2014-03-27 16:09:27 UTC
Embargoed:

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Description Petr Matousek 2014-03-27 16:06:34 UTC 
It was found that invalid entries in guest ioapic redirection table could lead to BUG_ON in ioapic_deliver() function.

A privileged user in the guest could use this flaw to crash the host.

Acknowledgements:

This issue was discovered by Red Hat.
Comment 2 Petr Matousek 2014-03-27 16:09:27 UTC 
Statement:

Not vulnerable.

This issue did not affect the versions of kvm package as shipped with Red Hat Enterprise Linux 5.

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6.

This issue did not affect the versions of Linux kernel as shipped with Red Hat
Enterprise Linux 5 and Red Hat Enterprise MRG 2 as they did not provide support
for the KVM subsystem.
Comment 3 Petr Matousek 2014-04-07 14:26:01 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1085016]
Comment 4 Petr Matousek 2014-04-07 14:26:50 UTC 
Upstream commit:

https://git.kernel.org/cgit/virt/kvm/kvm.git/commit/?id=5678de3f15010b9022ee45673f33bcfc71d47b60
Comment 5 Fedora Update System 2014-04-18 15:36:16 UTC 
kernel-3.13.10-200.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 6 Fedora Update System 2014-05-06 03:31:47 UTC 
kernel-3.13.11-100.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
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