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Filename Latest commit message Latest commit date
Marios Pomonis 79777eb82c KVM: x86: Refactor prefix decoding to prevent Spectre-v1/L1TF attacks
commit 125ffc5e0a56a3eded608dc51e09d5ebf72cf652 upstream.

This fixes Spectre-v1/L1TF vulnerabilities in
vmx_read_guest_seg_selector(), vmx_read_guest_seg_base(),
vmx_read_guest_seg_limit() and vmx_read_guest_seg_ar().  When
invoked from emulation, these functions contain index computations
based on the (attacker-influenced) segment value.  Using constants
prevents the attack.

Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-11 04:35:37 -08:00
arch KVM: x86: Refactor prefix decoding to prevent Spectre-v1/L1TF attacks 2020-02-11 04:35:37 -08:00
block
certs
crypto crypto: api - Fix race condition in crypto_spawn_alg 2020-02-11 04:35:31 -08:00
Documentation
drivers bcache: add readahead cache policy options via sysfs interface 2020-02-11 04:35:37 -08:00
fs aio: prevent potential eventfd recursion on poll 2020-02-11 04:35:37 -08:00
include eventfd: track eventfd_signal() recursion depth 2020-02-11 04:35:37 -08:00
init
ipc ipc/msg.c: consolidate all xxxctl_down() functions 2020-02-11 04:35:07 -08:00
kernel bpf, devmap: Pass lockdep expression to RCU lists 2020-02-11 04:35:29 -08:00
lib lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more() 2020-02-11 04:35:14 -08:00
LICENSES
mm mm: move_pages: report the number of non-attempted pages 2020-02-11 04:35:13 -08:00
net sunrpc: expiry_time should be seconds not timeval 2020-02-11 04:35:35 -08:00
samples samples/bpf: Xdp_redirect_cpu fix missing tracepoint attach 2020-02-11 04:35:29 -08:00
scripts scripts/find-unused-docs: Fix massive false positives 2020-02-11 04:35:23 -08:00
security
sound ASoC: SOF: core: release resources on errors in probe_continue 2020-02-11 04:35:27 -08:00
tools tools/kvm_stat: Fix kvm_exit filter name 2020-02-11 04:35:36 -08:00
usr
virt KVM: arm64: Only sign-extend MMIO up to register width 2020-02-11 04:35:16 -08:00
.clang-format
.cocciconfig
.get_maintainer.ignore
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.gitignore
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COPYING
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.