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| author | Dan Carpenter <dan.carpenter@linaro.org> | 2023-04-19 13:16:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-26 15:28:42 +0300 |
| commit | 8d6a870a428f3164dc437d183077c40e835c8fcb (patch) | |
| tree | f9e69dcf1c5d0773fc6ce2a4d4ba506fb7c86ae4 /net/rxrpc/peer_object.c | |
| parent | 9e7976c0cd634e23dda2b6849f33f44e5cbd4728 (diff) | |
| download | linux-8d6a870a428f3164dc437d183077c40e835c8fcb.tar.xz | |
KVM: arm64: Fix buffer overflow in kvm_arm_set_fw_reg()
commit a25bc8486f9c01c1af6b6c5657234b2eee2c39d6 upstream.
The KVM_REG_SIZE() comes from the ioctl and it can be a power of two
between 0-32768 but if it is more than sizeof(long) this will corrupt
memory.
Fixes: 99adb567632b ("KVM: arm/arm64: Add save/restore support for firmware workaround state")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/4efbab8c-640f-43b2-8ac6-6d68e08280fe@kili.mountain
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/rxrpc/peer_object.c')
0 files changed, 0 insertions, 0 deletions