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Hagar Gamal Halim Hemdan 140bbed30a vmci: prevent speculation leaks by sanitizing event in event_deliver() 
commit 8003f00d895310d409b2bf9ef907c56b42a4e0f4 upstream.

Coverity spotted that event_msg is controlled by user-space,
event_msg->event_data.event is passed to event_deliver() and used
as an index without sanitization.

This change ensures that the event index is sanitized to mitigate any
possibility of speculative information leaks.

This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.

Only compile tested, no access to HW.

Fixes: 1d990201f9bb ("VMCI: event handling implementation.")
Cc: stable <stable@kernel.org>
Signed-off-by: Hagar Gamal Halim Hemdan <hagarhem@amazon.com>
Link: https://lore.kernel.org/stable/20231127193533.46174-1-hagarhem%40amazon.com
Link: https://lore.kernel.org/r/20240430085916.4753-1-hagarhem@amazon.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-19 14:19:04 +01:00
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altera-stapl Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
c2port Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cardreader Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cb710 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cxl Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
drb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
echo Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
eeprom eeprom: at24: fix memory corruption race condition 2024-11-19 11:32:41 +01:00
genwqe Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
habanalabs Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ibmasm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lis3lv02d Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lkdtm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mei mei: me: release irq in mei_me_pci_resume error path 2024-11-19 14:19:02 +01:00
ocxl Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
samsung Fix clang 16 errors treewide 2024-06-15 16:28:48 -03:00
sgi-gru Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sgi-xp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ti-st misc: st_core: Do not call kfree_skb() under spin_lock_irqsave() 2024-11-18 11:43:05 +01:00
tui drivers: tui: fix out of tree build 2024-06-15 16:21:18 -03:00
tzdev Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uacce Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vmw_vmci vmci: prevent speculation leaks by sanitizing event in event_deliver() 2024-11-19 14:19:04 +01:00
ad525x_dpot-i2c.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ad525x_dpot-spi.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ad525x_dpot.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ad525x_dpot.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
apds990x.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
apds9802als.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
atmel-ssc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
atmel_tclib.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bh1770glc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cs5535-mfgpt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ds1682.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dummy-irq.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
enclosure.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fastrpc.c misc: fastrpc: Mark all sessions as invalid in cb_remove 2024-11-18 12:13:30 +01:00
hisi_hikey_usb.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ibmvmc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ibmvmc.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ics932s401.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
isl29003.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
isl29020.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
kgdbts.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lattice-ecp3-config.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pch_phub.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pci_endpoint_test.c misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support 2024-11-18 12:11:12 +01:00
phantom.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pti.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pvpanic.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom-coincell.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sram-exec.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sram.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sram.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tifm_7xx1.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tifm_core.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tsl2550.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uid_sys_stats.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vmw_balloon.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xilinx_sdfec.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00