Description

Integer overflow in the vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 allows local users to cause a denial of service or possibly have unspecified other impact via a crafted size value in a VC4_SUBMIT_CL ioctl call.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f2ff82e11c86c05d051cae32b58226392d33bbf

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7

http://www.openwall.com/lists/oss-security/2017/01/21/7

http://www.securityfocus.com/bid/95767

https://bugzilla.redhat.com/show_bug.cgi?id=1416436

https://github.com/torvalds/linux/commit/0f2ff82e11c86c05d051cae32b58226392d33bbf

https://lkml.org/lkml/2017/1/17/761

Details

Risk Information

CVSS v2

CVSS v3