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Borislav Petkov (AMD) 77245f1c3c x86/CPU/AMD: Do not leak quotient data after a division by 0 
Under certain circumstances, an integer division by 0 which faults, can
leave stale quotient data from a previous division operation on Zen1
microarchitectures.

Do a dummy division 0/1 before returning from the #DE exception handler
in order to avoid any leaks of potentially sensitive data.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-08-09 07:55:00 -07:00
arch
x86/CPU/AMD: Do not leak quotient data after a division by 0
2023-08-09 07:55:00 -07:00
block
block-6.5-2023-07-21
2023-07-22 11:05:15 -07:00
certs
KEYS: Add missing function documentation
2023-04-24 16:15:52 +03:00
crypto
crypto: algif_hash - Fix race between MORE and non-MORE sends
2023-07-08 22:48:42 +10:00
Documentation
Mitigate Gather Data Sampling issue
2023-08-07 17:03:54 -07:00
drivers
hardening fixes for v6.5-rc6
2023-08-08 14:59:49 -07:00
fs
hardening fixes for v6.5-rc6
2023-08-08 14:59:49 -07:00
include
Add a mitigation for the speculative RAS (Return Address Stack) overflow
2023-08-07 16:35:44 -07:00
init
Kbuild updates for v6.5
2023-07-01 09:24:31 -07:00
io_uring
io_uring-6.5-2023-07-28
2023-07-28 10:19:44 -07:00
ipc
Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:20:07 -08:00
kernel
workqueue: Fixes for v6.5-rc5
2023-08-07 13:07:12 -07:00
lib
workqueue: Fixes for v6.5-rc5
2023-08-07 13:07:12 -07:00
LICENSES
LICENSES: Add the copyleft-next-0.3.1 license
2022-11-08 15:44:01 +01:00
mm
11 hotfixes. Five are cc:stable and the remainder address post-6.4 issues
2023-07-28 17:19:52 -07:00
net
Two patches to improve RBD exclusive lock interaction with
2023-08-04 11:29:38 -07:00
rust
rust: fix bindgen build error with UBSAN_BOUNDS_STRICT
2023-08-04 17:10:50 +02:00
samples
arm64: ftrace: Add direct call trampoline samples support
2023-07-10 17:51:54 -04:00
scripts
x86:
2023-07-30 11:19:08 -07:00
security
sysctl: set variable key_sysctls storage-class-specifier to static
2023-08-07 17:55:54 +00:00
sound
ASoC: Fixes for v6.5
2023-07-27 14:54:23 +02:00
tools
Add a mitigation for the speculative RAS (Return Address Stack) overflow
2023-08-07 16:35:44 -07:00
usr
initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP
2023-06-06 17:54:49 +09:00
virt
KVM: Grab a reference to KVM for VM and vCPU stats file descriptors
2023-07-29 11:05:28 -04:00
.clang-format
iommu: Add for_each_group_device()
2023-05-23 08:15:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: set diff driver for Rust source code files
2023-05-31 17:48:25 +02:00
.gitignore
Revert ".gitignore: ignore *.cover and *.mbx"
2023-07-04 15:05:12 -07:00
.mailmap
mailmap: update remaining active codeaurora.org email addresses
2023-07-27 13:07:05 -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
- Address -Wmissing-prototype warnings
2023-06-26 16:43:54 -07:00
Kbuild
Kbuild updates for v6.1
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
Raw NAND fixes:
2023-08-04 12:01:26 -07:00
Makefile
Linux 6.5-rc5
2023-08-06 15:07:51 -07:00
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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