17854f1c81
25833-32on64-bogus-pt_base-adjust.patch 25835-adjust-rcu-lock-domain.patch 25836-VT-d-S3-MSI-resume.patch 25850-tmem-xsa-15-1.patch 25851-tmem-xsa-15-2.patch 25852-tmem-xsa-15-3.patch 25853-tmem-xsa-15-4.patch 25854-tmem-xsa-15-5.patch 25855-tmem-xsa-15-6.patch 25856-tmem-xsa-15-7.patch 25857-tmem-xsa-15-8.patch 25858-tmem-xsa-15-9.patch 25859-tmem-missing-break.patch 25860-tmem-cleanup.patch 25861-x86-early-fixmap.patch 25862-sercon-non-com.patch 25863-sercon-ehci-dbgp.patch 25864-sercon-unused.patch 25866-sercon-ns16550-pci-irq.patch 25867-sercon-ns16550-parse.patch 25874-x86-EFI-chain-cfg.patch 25909-xenpm-consistent.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=201
28 lines
782 B
Diff
28 lines
782 B
Diff
# HG changeset patch
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# User Ian Campbell <ian.campbell@citrix.com>
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# Date 1347365190 -7200
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# Node ID 0dba5a8886556f1b92e59eb19c570ad1704037f6
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# Parent 90533f3b6babfda56edbbefda47c46b391204132
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tmem: only allow tmem control operations from privileged domains
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This is part of XSA-15 / CVE-2012-3497.
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
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Committed-by: Jan Beulich <jbeulich@suse.com>
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--- a/xen/common/tmem.c
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+++ b/xen/common/tmem.c
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@@ -2541,10 +2541,8 @@ static NOINLINE int do_tmem_control(stru
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OID *oidp = (OID *)(&op->u.ctrl.oid[0]);
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if (!tmh_current_is_privileged())
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- {
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- /* don't fail... mystery: sometimes dom0 fails here */
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- /* return -EPERM; */
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- }
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+ return -EPERM;
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+
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switch(subop)
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{
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case TMEMC_THAW:
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