NULL Pointer Dereference Affecting perf package, versions <0:5.14.0-284.11.1.el9_2


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.15% (53rd percentile)

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  • Snyk IDSNYK-ORACLE9-PERF-5536943
  • published16 May 2023
  • disclosed2 Jun 2022

Introduced: 2 Jun 2022

CVE-2022-1789  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:9 perf to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ELSA-2023-2458.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.

CVSS Scores

version 3.1