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val is indirectly controlled by user-space, hence leading to a potential exploitation of the Spectre variant 1 vulnerability. This issue was detected with the help of Smatch: drivers/misc/hmc6352.c:54 compass_store() warn: potential spectre issue 'map' [r] Fix this by sanitizing val before using it to index map Notice that given that speculation windows are large, the policy is to kill the speculation on the first load and not worry if it can be completed with a dependent load/store [1]. [1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2 Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| altera-stapl | ||
| c2port | ||
| cardreader | ||
| cb710 | ||
| cxl | ||
| echo | ||
| eeprom | ||
| genwqe | ||
| ibmasm | ||
| lis3lv02d | ||
| lkdtm | ||
| mei | ||
| mic | ||
| ocxl | ||
| sgi-gru | ||
| sgi-xp | ||
| ti-st | ||
| vmw_vmci | ||
| ad525x_dpot-i2c.c | ||
| ad525x_dpot-spi.c | ||
| ad525x_dpot.c | ||
| ad525x_dpot.h | ||
| apds990x.c | ||
| apds9802als.c | ||
| aspeed-lpc-ctrl.c | ||
| aspeed-lpc-snoop.c | ||
| atmel_tclib.c | ||
| atmel-ssc.c | ||
| bh1770glc.c | ||
| cs5535-mfgpt.c | ||
| ds1682.c | ||
| dummy-irq.c | ||
| enclosure.c | ||
| fsa9480.c | ||
| hmc6352.c | ||
| hpilo.c | ||
| hpilo.h | ||
| ibmvmc.c | ||
| ibmvmc.h | ||
| ics932s401.c | ||
| ioc4.c | ||
| isl29003.c | ||
| isl29020.c | ||
| Kconfig | ||
| kgdbts.c | ||
| lattice-ecp3-config.c | ||
| Makefile | ||
| pch_phub.c | ||
| pci_endpoint_test.c | ||
| phantom.c | ||
| pti.c | ||
| qcom-coincell.c | ||
| spear13xx_pcie_gadget.c | ||
| sram-exec.c | ||
| sram.c | ||
| sram.h | ||
| tifm_7xx1.c | ||
| tifm_core.c | ||
| tsl2550.c | ||
| vexpress-syscfg.c | ||
| vmw_balloon.c | ||