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Maxim Levitsky 16ae56d7e0 KVM: x86: nSVM: harden svm_free_nested against freeing vmcb02 while still in use 
Make sure that KVM uses vmcb01 before freeing nested state, and warn if
that is not the case.

This is a minimal fix for CVE-2022-3344 making the kernel print a warning
instead of a kernel panic.

Cc: stable@vger.kernel.org
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20221103141351.50662-3-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-11-17 11:39:54 -05:00
arch
KVM: x86: nSVM: harden svm_free_nested against freeing vmcb02 while still in use
2022-11-17 11:39:54 -05:00
block
Merge tag 'block-6.1-2022-11-05' of git://git.kernel.dk/linux
2022-11-05 09:02:28 -07:00
certs
certs: make system keyring depend on built-in x509 parser
2022-09-24 04:31:18 +09:00
crypto
treewide: use get_random_bytes() when possible
2022-10-11 17:42:58 -06:00
Documentation
KVM: s390: pv: don't allow userspace to set the clock under PV
2022-11-07 10:14:15 +01:00
drivers
Merge tag 'cxl-fixes-for-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2022-11-06 13:09:52 -08:00
fs
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2022-11-06 10:30:29 -08:00
include
Merge tag 'hardening-v6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2022-11-04 14:46:45 -07:00
init
init: Kconfig: fix spelling mistake "satify" -> "satisfy"
2022-10-20 21:27:22 -07:00
io_uring
io_uring: unlock if __io_run_local_work locked inside
2022-10-27 09:52:12 -06:00
ipc
ipc/msg.c: fix percpu_counter use after free
2022-10-28 13:37:22 -07:00
kernel
Merge tag 'perf_urgent_for_v6.1_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-11-06 12:41:32 -08:00
lib
Merge tag 'net-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-11-03 10:51:59 -07:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
mmap: fix remap_file_pages() regression
2022-10-28 13:37:23 -07:00
net
Merge tag 'net-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-11-03 10:51:59 -07:00
rust
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
samples
Merge tag 'vfio-v6.1-rc1' of https://github.com/awilliam/linux-vfio
2022-10-12 14:46:48 -07:00
scripts
kconfig: fix segmentation fault in menuconfig search
2022-11-02 17:32:05 +09:00
security
Merge tag 'lsm-pr-20221031' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
2022-10-31 12:09:42 -07:00
sound
ALSA: aoa: Fix I2S device accounting
2022-10-27 08:53:08 +02:00
tools
Merge tag 'kvm-s390-master-6.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
2022-11-09 12:28:15 -05:00
usr
usr/gen_init_cpio.c: remove unnecessary -1 values from int file
2022-10-03 14:21:44 -07:00
virt
Merge tag 'kvmarm-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
2022-11-06 03:30:49 -05:00
.clang-format
PCI/DOE: Add DOE mailbox support functions
2022-07-19 15:38:04 -07:00
.cocciconfig
…
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
.mailmap
mailmap: update email for Qais Yousef
2022-10-20 21:27:21 -07:00
.rustfmt.toml
rust: add .rustfmt.toml
2022-09-28 09:02:20 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
Merge tag 'drm-next-2022-08-03' of git://anongit.freedesktop.org/drm/drm
2022-08-03 19:52:08 -07:00
Kbuild
Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-10-10 12:00:45 -07:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge tag 'soc-fixes-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2022-11-04 14:13:12 -07:00
Makefile
Linux 6.1-rc4
2022-11-06 15:07:11 -08:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
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