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Information Exposure Affecting kernel-uek-headers package, versions <0:4.14.35-1844.1.3.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.08% (34th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKHEADERS-2530852
  • published10 Apr 2022
  • disclosed8 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 8 Mar 2018

CVE-2018-7755  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-headers to version 0:4.14.35-1844.1.3.el7uek or higher.
This issue was patched in ELSA-2019-4509.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-headers package and not the kernel-uek-headers package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

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.

References