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List: oss-security
Subject: [oss-security] CVE-2017-17741 kernel: kvm: stack-based out-of-bounds read via vmcall instruction
From: P J P <ppandit () redhat ! com>
Date: 2017-12-19 8:57:43
Message-ID: nycvar.YSQ.7.76.1712191414120.29121 () wniryva
[Download RAW message or body]
Hello,
Linux kernel built with the KVM virtualization(CONFIG_KVM) support is
vulnerable to an out-of-bounds read access issue. It could occur when
emulating vmcall instruction invoked by a guest.
A guest user/process could use this flaw to disclose kernel memory bytes.
Upstream patch:
---------------
-> https://www.spinics.net/lists/kvm/msg160796.html
CVE assigned via https://cveform.mitre.org/
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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