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Roger Pau Monne 7ed65a4ad8 xen/blkfront: fix leaking data in shared pages 
commit 2f446ffe9d737e9a844b97887919c4fda18246e7 upstream.

When allocating pages to be used for shared communication with the
backend always zero them, this avoids leaking unintended data present
on the pages.

This is CVE-2022-26365, part of XSA-403.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-07 17:53:31 +02:00
arch
powerpc/memhotplug: Add add_pages override for PPC
2022-07-07 17:53:28 +02:00
block
block: Fix handling of offline queues in blk_mq_alloc_request_hctx()
2022-06-22 14:22:02 +02:00
certs
certs/blacklist_hashes.c: fix const confusion in certs blacklist
2022-06-22 14:22:01 +02:00
crypto
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
Documentation
docs: update mapping documentation
2022-07-02 16:41:15 +02:00
drivers
xen/blkfront: fix leaking data in shared pages
2022-07-07 17:53:31 +02:00
fs
io_uring: ensure that send/sendmsg and recv/recvmsg check sqe->ioprio
2022-07-07 17:53:28 +02:00
include
linux/dim: Fix divide by 0 in RDMA DIM
2022-07-07 17:53:26 +02:00
init
Kconfig: Add option for asm goto w/ tied outputs to workaround clang-13 bug
2022-06-09 10:23:26 +02:00
ipc
ipc/mqueue: use get_tree_nodev() in mqueue_get_tree()
2022-06-09 10:23:10 +02:00
kernel
tick/nohz: unexport __init-annotated tick_nohz_full_setup()
2022-07-02 16:41:12 +02:00
lib
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
init: Initialize noop_backing_dev_info early
2022-06-22 14:22:02 +02:00
net
tcp: add a missing nf_reset_ct() in 3WHS handling
2022-07-07 17:53:29 +02:00
samples
samples/landlock: Format with clang-format
2022-06-09 10:23:23 +02:00
scripts
modpost: fix section mismatch check for exported init/exit sections
2022-06-29 09:03:31 +02:00
security
fs: support mapped mounts of mapped filesystems
2022-07-02 16:41:17 +02:00
sound
ALSA: hda/realtek: Add quirk for Clevo NS50PU
2022-06-29 09:03:18 +02:00
tools
selftests/rseq: Change type of rseq_offset to ptrdiff_t
2022-07-07 17:53:31 +02:00
usr
usr/include/Makefile: add linux/nfc.h to the compile-test coverage
2022-02-01 17:27:15 +01:00
virt
KVM: avoid NULL pointer dereference in kvm_dirty_ring_push
2022-04-13 20:59:26 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: add Andrej Shadura
2021-10-18 20:22:03 -10:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Daniel Drake to credits
2021-09-21 08:34:58 +03:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
MAINTAINERS: add Leah as xfs maintainer for 5.15.y
2022-07-07 17:53:29 +02:00
Makefile
Linux 5.15.52
2022-07-02 16:41:19 +02:00
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.
Description
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Languages
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Assembly 1%
Shell 0.5%
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Makefile 0.3%