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Improper Handling of Exceptional Conditions Affecting python-perf package, versions <0:3.10.0-693.21.1.el7

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE7-PYTHONPERF-2523660
  • published10 Apr 2022
  • disclosed30 Jul 2018
Report a new vulnerability Found a mistake?

Introduced: 30 Jul 2018

CVE-2017-7518  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade Oracle:7 python-perf to version 0:3.10.0-693.21.1.el7 or higher.
This issue was patched in ELSA-2018-0395.

NVD Description

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

A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(#DB) being raised in the guest stack. A user/process inside a guest could use this flaw to potentially escalate their privileges inside the guest. Linux guests are not affected by this.