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Out-of-Bounds Affecting python-perf package, versions <0:3.10.0-862.2.3.el7

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE7-PYTHONPERF-2525202
  • published10 Apr 2022
  • disclosed27 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 27 Mar 2018

CVE-2018-1091  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Oracle:7 python-perf to version 0:3.10.0-862.2.3.el7 or higher.
This issue was patched in ELSA-2018-1318.

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.

In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.