Messages in this thread | | | Date | Fri, 25 Jun 2021 10:54:06 +0200 | From | Borislav Petkov <> | Subject | [GIT PULL] x86/urgent for v5.13 |
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Hi Linus,
here are two more x86/urgent fixes for 5.13.
Please pull, thx.
---
The following changes since commit 13311e74253fe64329390df80bed3f07314ddd61:
Linux 5.13-rc7 (2021-06-20 15:03:15 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_urgent_for_v5.13
for you to fetch changes up to f9dfb5e390fab2df9f7944bb91e7705aba14cd26:
x86/fpu: Make init_fpstate correct with optimized XSAVE (2021-06-22 11:06:21 +0200)
---------------------------------------------------------------- Two more urgent FPU fixes:
- prevent unprivileged userspace from reinitializing supervisor states
- Prepare init_fpstate, which is the buffer used when initializing FPU state, properly in case the skip-writing-state-components XSAVE* variants are used.
---------------------------------------------------------------- Thomas Gleixner (2): x86/fpu: Preserve supervisor states in sanitize_restored_user_xstate() x86/fpu: Make init_fpstate correct with optimized XSAVE
arch/x86/include/asm/fpu/internal.h | 30 ++++++++------------------- arch/x86/kernel/fpu/signal.c | 26 ++++++++--------------- arch/x86/kernel/fpu/xstate.c | 41 ++++++++++++++++++++++++++++++++++--- 3 files changed, 54 insertions(+), 43 deletions(-)
-- Regards/Gruss, Boris.
SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg
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