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CVE-2017-9605 PUBLISHED

The vmw_gb_surface_define_ioctl function (accessible via DRM_IOCTL_VMW_GB_SURFACE_CREATE) in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel through 4.11.4 defines a backup_handle variable but does not give it an initial value. If one attempts to create a GB surface, with a previously allocated DMA buffer to be used as a backup buffer, the backup_handle variable does not get written to and is then later returned to user space, allowing local users to obtain sensitive information from uninitialized kernel memory via a crafted ioctl call.

EPSS 0.11% · 29.7th percentile

Risk Scores

EPSS Score
0.11%
29.7th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSlinux-raspi24.4.0-1023.29, 4.4.0-1046.53, 4.4.0-1048.55
Ubuntu:16.04:LTSlinux-hwe4.10.0-30.34~16.04.1, 4.10.0-28.32~16.04.2, 4.10.0-27.30~16.04.2
Ubuntu:16.04:LTSlinux4.4.0-78.99, 4.2.0-19.23, 4.2.0-17.21
Ubuntu:24.04:LTSlinux-raspi-realtime6.8.0-2019.20, 0
Ubuntu:22.04:LTSlinux-realtime5.15.0-1032.35, 0
Ubuntu:20.04:LTSlinux-riscv0, 5.4.0-26.30, 5.4.0-24.28
Ubuntu:16.04:LTSlinux-aws0, 4.4.0-1018.27, 4.4.0-1017.26
Ubuntu:18.04:LTSlinux-hwe-edge5.3.0-19.20~18.04.2, 5.0.0-20.21~18.04.1, 5.0.0-19.20~18.04.1
Ubuntu:18.04:LTSlinux-hwe5.0.0-36.39~18.04.1, 5.0.0-35.38~18.04.1, 5.0.0-32.34~18.04.2
Ubuntu:18.04:LTSlinux-oem4.15.0-1063.72, 4.15.0-1103.114, 4.15.0-1102.113
Ubuntu:14.04:LTSlinux-lts-xenial4.4.0-22.40~14.04.1, 0, 4.4.0-13.29~14.04.1
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1024.27, 0, 4.4.0-1012.12
Ubuntu:20.04:LTSlinux-gke5.4.0-1099.106, 5.4.0-1101.108, 5.4.0-1083.89
Ubuntu:16.04:LTSlinux-gke4.4.0-1018.18, 4.4.0-1016.16, 4.4.0-1014.14
Ubuntu:18.04:LTSlinux-gcp5.0.0-1031.32, 0, 4.15.0-1001.1
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1091.96+cvm1.1, 5.4.0-1100.106+cvm1.1, 5.4.0-1103.109+cvm1.1
Ubuntu:22.04:LTSlinux-intel-iot-realtime5.15.0-1073.75, 0
Ubuntu:20.04:LTSlinux-raspi25.4.0-1006.6, 5.4.0-1004.4, 5.3.0-1017.19
Ubuntu:18.04:LTSlinux-azure4.15.0-1018.18, 4.15.0-1014.14, 4.15.0-1013.13
Ubuntu:22.04:LTSlinux-riscv5.15.0-1007.7, 5.15.0-1006.6, 5.15.0-1005.5

…and 1 more

Timeline

References

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