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Information Exposure Affecting kernel-uek-debug package, versions <0:4.1.12-124.14.1.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEBUG-2531308
  • published10 Apr 2022
  • disclosed17 Oct 2017
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Introduced: 17 Oct 2017

CVE-2017-15537  (opens in a new tab)
CWE-200  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Oracle:7 kernel-uek-debug to version 0:4.1.12-124.14.1.el7uek or higher.
This issue was patched in ELSA-2018-4071.

NVD Description

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

The x86/fpu (Floating Point Unit) subsystem in the Linux kernel before 4.13.5, when a processor supports the xsave feature but not the xsaves feature, does not correctly handle attempts to set reserved bits in the xstate header via the ptrace() or rt_sigreturn() system call, allowing local users to read the FPU registers of other processes on the system, related to arch/x86/kernel/fpu/regset.c and arch/x86/kernel/fpu/signal.c.