a4d1d9fe03
bnc#828623 - bnc#839596 - VUL-0: CVE-2013-1442: XSA-62: xen: Information leak on AVX and/or LWP capable CPUs 5242a1b5-x86-xsave-initialize-extended-register-state-when-guests-enable-it.patch - bnc#840592 - VUL-0: CVE-2013-4355: XSA-63: xen: Information leaks through I/O instruction emulation CVE-2013-4355-xsa63.patch - bnc#840593 - VUL-0: CVE-2013-4356: XSA-64: xen: Memory accessible by 64-bit PV guests under live migration CVE-2013-4356-xsa64.patch - bnc#841766 - VUL-1: CVE-2013-4361: XSA-66: xen: Information leak through fbld instruction emulation CVE-2013-4361-xsa66.patch - bnc#833796 - L3: Xen: migration broken from xsave-capable to xsave-incapable host 52205e27-x86-xsave-initialization-improvements.patch 522dc0e6-x86-xsave-fix-migration-from-xsave-capable-to-xsave-incapable-host.patch - bnc#839600 - [HP BCS SLES11 Bug]: In HP’s UEFI x86_64 platform and sles11sp3 with xen environment, xen hypervisor will panic on multiple blades nPar. 523172d5-x86-fix-memory-cut-off-when-using-PFN-compression.patch - bnc#833251 - [HP BCS SLES11 Bug]: In HP’s UEFI x86_64 platform and with xen environment, in booting stage ,xen hypervisor will panic. 522d896b-x86-EFI-properly-handle-run-time-memory-regions-outside-the-1-1-map.patch - bnc#834751 - [HP BCS SLES11 Bug]: In xen, “shutdown –y 0 –h” cannot power off system 522d896b-x86-EFI-properly-handle-run-time-memory-regions-outside-the-1-1-map.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=274
31 lines
993 B
Diff
31 lines
993 B
Diff
# Commit 803f9a6cdfeda64beee908576de0ad02d6b0c480
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# Date 2013-09-12 17:47:08 +0100
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# Author Tim Deegan <tim@xen.org>
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# Committer Tim Deegan <tim@xen.org>
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cpufreq: missing check of copy_from_guest()
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Coverity CID 1055131
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Coverity CID 1055132
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Signed-off-by: Tim Deegan <tim@xen.org>
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Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
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Acked-by: Jan Beulich <jbeulich@suse.com>
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--- a/xen/drivers/cpufreq/cpufreq.c
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+++ b/xen/drivers/cpufreq/cpufreq.c
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@@ -471,8 +471,12 @@ int set_px_pminfo(uint32_t acpi_id, stru
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ret = -ENOMEM;
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goto out;
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}
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- copy_from_guest(pxpt->states, dom0_px_info->states,
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- dom0_px_info->state_count);
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+ if ( copy_from_guest(pxpt->states, dom0_px_info->states,
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+ dom0_px_info->state_count) )
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+ {
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+ ret = -EFAULT;
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+ goto out;
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+ }
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pxpt->state_count = dom0_px_info->state_count;
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if ( cpufreq_verbose )
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