From: aegiryy <aegiryy@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Bug 1432103] [NEW] error in x86 executable segment permission check
Date: Sat, 14 Mar 2015 04:28:11 -0000 [thread overview]
Message-ID: <20150314042811.14702.61970.malonedeb@wampee.canonical.com> (raw)
In-Reply-To: 20150314042811.14702.61970.malonedeb@wampee.canonical.com
Public bug reported:
When the code segment register (%cs) selects an executable segment with
no read permission, mov instructions that read from the segment via %cs
prefix can still succeed without causing a general protection error.
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1432103
Title:
error in x86 executable segment permission check
Status in QEMU:
New
Bug description:
When the code segment register (%cs) selects an executable segment
with no read permission, mov instructions that read from the segment
via %cs prefix can still succeed without causing a general protection
error.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1432103/+subscriptions
next parent reply other threads:[~2015-03-14 4:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-14 4:28 aegiryy [this message]
2018-02-26 20:56 ` [Qemu-devel] [Bug 1432103] Re: error in x86 executable segment permission check Thomas Huth
2018-04-28 4:17 ` Launchpad Bug Tracker
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