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LIN10-3568 : Security Advisory - linux - CVE-2018-7755

Created: Mar 15, 2018    Updated: Dec 3, 2018
Resolved Date: May 20, 2018
Found In Version: 10.17.41.1
Fix Version: 10.17.41.8
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Kernel

Description

An issue was discovered in the fd_locked_ioctl function in drivers/block/floppy.c in the Linux kernel through 4.15.7. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location of kernel code and data and bypass kernel security protections such as KASLR.

https://nvd.nist.gov/vuln/detail/CVE-2018-7755

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